Windows 11 25h2
Monthly
Privilege escalation in Windows Printer Association Object affects Windows 11 and Windows Server 2022/2025 through a race condition in shared resource access. An authenticated local attacker can exploit improper synchronization to gain elevated system privileges. No patch is currently available for this vulnerability.
Desktop Windows Manager on Windows 10, Windows 11, and Windows Server 2022 leaks sensitive information to local authenticated users, enabling disclosure of confidential data without modifying or disrupting system functionality. This vulnerability is confirmed actively exploited and affects multiple Windows versions with no patch currently available. An authorized attacker can exploit this with minimal complexity to extract sensitive information from the system.
Windows Hello privilege elevation flaw in Windows 10 21h2, Windows Server 2019, 2022, and 2022 23h2 enables local attackers to modify system data without authorization. The vulnerability stems from improper privilege assignment that bypasses access controls, allowing an unauthenticated attacker with local access to tamper with protected resources. Currently no patch is available and exploitation requires only local access with no special conditions or user interaction.
Windows Kernel contains a race condition vulnerability enabling local privilege escalation through concurrent resource access with improper synchronization.
In IGEL OS before 11, Secure Boot can be bypassed because the igel-flash-driver module improperly verifies a cryptographic signature. Ultimately, a crafted root filesystem can be mounted from an unverified SquashFS image.
Local tampering of the Windows Cloud Files Mini Filter Driver (CldFlt.sys) is possible because the driver exposes a critical function without adequate authentication checks, allowing a low-privileged local attacker to modify protected data or state that would normally require higher authorization. Affecting Windows 10 through Windows 11 and Windows Server 2019 through 2025 across a wide range of builds, the flaw yields a high integrity impact with no confidentiality or availability consequence. No public exploit code and no CISA KEV listing were identified at time of analysis; Microsoft has released patches covering all affected versions.
Out-of-bounds memory read in Windows Virtualization-Based Security (VBS) Enclave allows a locally authorized attacker to disclose protected enclave memory contents. Affected systems span Windows 11 versions 23H2 through 26H1 and Windows Server 2025; Microsoft has issued patched builds addressing the flaw. SSVC assessment places current exploitation at none with partial technical impact, consistent with the strictly local, non-automatable attack surface.
Buffer over-read (CWE-126) in the Windows Storage component exposes adjacent memory contents to a physically-present attacker across virtually the entire supported Windows product line, from Server 2012 through Windows 11 25H2 and Server 2025. The CVSS vector (AV:P/UI:R) confirms exploitation requires both physical access to the target machine and user interaction to trigger the vulnerable code path, sharply constraining real-world attack surface. No public exploit code has been identified and CISA SSVC rates exploitation as none at time of analysis; a vendor-released patch is available via the Microsoft Security Response Center.
Out-of-bounds read in the Windows CD-ROM kernel-mode driver exposes kernel memory contents to an attacker with physical access across virtually every supported Windows release from Server 2012 through Windows 11 Version 26H1. The flaw (CWE-125) allows kernel memory disclosure - potentially including credentials or cryptographic material - when a crafted disc interaction or malformed IOCTL triggers a read beyond the intended buffer boundary. Microsoft has released patches; no public exploit code exists and the vulnerability is not listed in CISA KEV.
Out-of-bounds read in the Xbox component on Windows allows a physically-present attacker to disclose sensitive memory contents. Affecting a wide range of Windows 10 and Windows 11 builds (plus Windows Server 2016/2019), the flaw is triggered via a physical interaction, yielding high confidentiality impact with no integrity or availability consequence. No public exploit code has been identified and CISA SSVC classifies exploitation as none at time of analysis, making this a lower-urgency but patch-worthy item for any endpoint reachable by an untrusted third party.
Out-of-bounds read in the Windows CD-ROM kernel driver enables a local, low-privileged attacker to disclose sensitive kernel memory contents across a broad swath of Windows 10, Windows 11, and Windows Server 2016/2019 builds. The vulnerability is reachable from standard user space - no administrator rights or user interaction required - via crafted I/O control requests to the driver. No public exploit code has been identified and CISA SSVC rates exploitation as none, but kernel memory leakage can serve as a stepping stone in multi-stage privilege-escalation chains.
Integer underflow (CWE-191) in the Microsoft Windows SCSI Class System File enables remote unauthenticated attackers to disclose kernel-level information when a user interacts with a crafted resource, affecting all major Windows desktop and server releases from Server 2012 through Windows 11 26H1. The out-of-bounds read condition triggered by the wraparound arithmetic can expose high-confidentiality memory contents (C:H) with no integrity or availability impact. No public exploit has been identified at time of analysis, and the CISA SSVC framework rates exploitation status as none and technical impact as partial, consistent with a disclosure-only profile.
Out-of-bounds read in the Microsoft Windows SCSI Class System File driver (CWE-125) exposes kernel memory contents to an attacker with physical access to the target machine. The flaw affects a broad range of Windows 10, Windows 11, and Windows Server releases, from build 10.0.17763 through current 25H2 and Server 2025 lines. No active exploitation or public proof-of-concept has been identified; vendor-released patches are available via the July 2026 Microsoft Security Update.
Privilege escalation via untrusted pointer dereference in the Windows SCSI Class System File affects a broad range of Windows 10, 11, and Windows Server releases, requiring physical access to trigger. An attacker with physical access to a target machine can connect a malicious SCSI device, causing the kernel-mode SCSI class driver to dereference an attacker-controlled pointer and elevate from unprivileged to full system (kernel) control. No public exploit and no CISA KEV listing have been identified at time of analysis; exploitation is constrained to physical proximity.
Use-after-free in Windows Distributed File System (DFS) enables an authenticated network attacker to crash the DFS service, resulting in denial of file-sharing access across affected Windows client and server versions. The CVSS vector (AV:N/AC:H/PR:L) confirms network reachability but constrains exploitation to low-privilege authenticated accounts under high-complexity conditions. Microsoft has released patches covering the full affected range from Windows 10 1607 through Windows Server 2025; no public exploit code or active exploitation has been identified at time of analysis.
Privilege escalation in Windows Boot Manager allows an unauthorized attacker with physical access to achieve full pre-OS system compromise, yielding high confidentiality, integrity, and availability impact across a sweeping range of Windows desktop and server editions. The root cause is a protection mechanism failure (CWE-693) in the boot-time security stack - consistent with a Secure Boot or early-launch integrity bypass - that an adversary can exploit without any prior authentication or system privileges once physical access is obtained. Microsoft has released patches for all affected versions; no public exploit code has been identified at time of analysis, and the vulnerability is not listed in the CISA KEV catalog.
Out-of-bounds read in Windows GDI (Graphics Device Interface) exposes sensitive memory contents to local attackers across a wide range of Microsoft Windows desktop and server releases. When a user opens or previews a specially crafted file, the GDI subsystem reads beyond its intended buffer boundary (CWE-125), potentially leaking heap data or kernel address space layout pointers that can serve as ASLR-bypass primitives in chained exploit scenarios. No public exploit code has been identified and no CISA KEV listing exists; Microsoft has released patched builds for all affected versions.
Security feature bypass in Windows URL Moniker enables a remote, unauthenticated attacker to circumvent URL-based security controls across virtually all supported Windows versions from Server 2012 through Windows 11 26H1. Rooted in improper resolution of path equivalence (CWE-41), the flaw allows crafted URL representations to evade security filters that would otherwise block access to restricted resources. Exploitation requires user interaction per the CVSS vector (UI:R) and yields only limited confidentiality impact (C:L) with no integrity or availability effects; no public exploit code has been identified at time of analysis.
Information disclosure in the Windows Biometric Service exposes private personal information to locally authenticated, low-privilege attackers without requiring user interaction. The flaw, rooted in CWE-359, affects a broad swath of Windows versions from Server 2016 through Windows 11 26H1 and Server 2025, giving an authenticated local user unauthorized read access to biometric-related PII managed by the service. Microsoft has released patches across all affected version lines. No public exploit or active exploitation has been identified at time of analysis.
Heap-based buffer overflow in the Windows Storage Spaces kernel driver (Spaceport.sys) enables kernel-mode code execution through a physical attack, affecting nearly every supported Windows desktop and server release. The flaw carries a CVSS 3.1 score of 6.8 with a physical attack vector, meaning an adversary must have hands-on access to the target hardware to trigger the overflow. Microsoft has issued patches covering Windows Server 2012 through Windows Server 2025 and Windows 10 through Windows 11 26H2; no public exploit or CISA KEV listing has been identified at time of analysis.
Out-of-bounds read in the Windows Partition Management Driver exposes sensitive kernel memory to locally authenticated low-privileged users across a wide swath of Windows client and server releases, from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. Exploitation is strictly local and requires an authorized user account, limiting blast radius to post-compromise or insider-threat scenarios. No public exploit code exists and SSVC classifies exploitation status as none, making this a lower operational priority despite the formally high confidentiality impact rating.
Heap-based buffer overflow in Windows Installer (msiexec) enables local privilege escalation across a broad range of Microsoft Windows client and server releases. An attacker with high-privileged local access can exploit this CWE-122 flaw to achieve full system-level code execution - compromising confidentiality, integrity, and availability - making it a post-exploitation escalation primitive. Vendor-released patches are available; no public exploit code or CISA KEV listing is identified at time of analysis.
Heap-based buffer overflow in the Windows NTFS kernel driver allows an unauthenticated attacker with physical access to execute arbitrary code at kernel privilege on affected systems. The vulnerability spans nearly every supported Windows release from Server 2012 through Windows 11 26H1 and Windows Server 2025, and is triggered when the NTFS driver processes a specially crafted volume attached by an adversary. No public exploit code has been identified at time of analysis, and Microsoft has released patches through its standard update channel.
Uninitialized kernel memory exposure in the Windows Win32 Kernel Subsystem allows a local low-privileged attacker to read sensitive memory contents from the kernel address space. Exploitation requires only a valid local account and no user interaction, making it accessible to any authenticated user on affected Windows endpoints and servers. The vulnerability spans an exceptionally wide range of Microsoft Windows releases - from Windows 10 version 1607 and Windows Server 2012 through the latest Windows 11 and Windows Server 2025 builds - and is remediated via the July 2026 Microsoft security update cycle. No public exploit or KEV listing has been identified at time of analysis.
Out-of-bounds read in the Windows Search Component allows a local low-privileged authenticated user to disclose sensitive memory contents on the affected host. The flaw (CWE-125) spans an exceptionally broad Windows footprint, covering every major release from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. Microsoft has released patches across all affected branches; no active exploitation or public proof-of-concept has been identified at time of analysis.
Windows Compressed Folder's built-in ZIP handler on Windows 11 and Windows Server 2025 allows a network-adjacent attacker to craft a malicious archive exploiting NTFS hard link abuse (CWE-65) to read sensitive files outside the intended extraction path, resulting in high-confidentiality information disclosure. Exploitation requires victim interaction - the user must open or expand the crafted compressed archive in Windows Explorer - but no attacker authentication or special privileges are needed. No CISA KEV listing or public exploit code has been identified at time of analysis, and a vendor-released patch is available via MSRC.
Out-of-bounds read in Windows Spaceport.sys (the kernel-mode port driver for the Windows Storage Spaces subsystem) allows a locally authenticated, low-privileged attacker to disclose kernel memory contents under high-complexity conditions. The vulnerability spans virtually all supported Windows releases - from Windows 10 1607 and Server 2012 through Windows 11 26H1 and Server 2025 - making the patch surface extremely wide. Microsoft has released fixes for all affected versions; no public exploit or CISA KEV listing has been identified at time of analysis.
Local privilege escalation in Windows Advanced Local Procedure Call (ALPC) allows an attacker already holding high administrative privileges to further escalate to kernel-level or system-level access via untrusted pointer dereference (CWE-822). The vulnerability affects a wide sweep of Windows releases - from Windows 10 version 1809 through Windows 11 26H1 and Windows Server 2019 through Server 2025 - and is confirmed patched by Microsoft. The CVSS scope-change flag (S:C) indicates the exploit crosses privilege boundaries beyond the initially compromised component, yielding full confidentiality, integrity, and availability impact on subordinate system resources. No public exploit or active exploitation (CISA KEV) has been identified at time of analysis.
Windows Wireless Wide Area Network (WWAN) Service on multiple Windows 10, Windows 11, and Windows Server editions contains an out-of-bounds read (CWE-125) that allows a locally authenticated low-privileged user to disclose sensitive contents from the service's memory. The flaw resides in the WWAN service process - responsible for managing mobile broadband connectivity - and affects system confidentiality without granting write access or code execution capability. Microsoft has released patched builds across all affected editions; no public exploit code or active exploitation has been identified at time of analysis.
Uninitialized kernel memory in Win32K (win32k.sys) enables local attackers with standard user privileges to read sensitive kernel memory contents on affected Windows systems. The vulnerability spans virtually all currently supported Windows client and server releases, from Windows Server 2012 through Windows Server 2025 and Windows 11 25H2/26H1. No public exploit identified at time of analysis, though Win32K info-leaks of this class are routinely chained with privilege escalation exploits to defeat kernel address space layout randomization (KASLR).
Sensitive kernel information is exposed to low-privileged local users through a CWE-497 flaw in the Windows Win32K graphics subsystem, confirmed by Microsoft's own security team (secure@microsoft.com). The scope-changed CVSS vector (S:C/C:H) indicates the leaked data originates from the kernel security boundary, making this a classic KASLR-defeat primitive that threat actors chain with separate privilege-escalation exploits to achieve full system compromise. No public exploit code has been identified and the vulnerability is absent from the CISA KEV catalog; vendor patches covering every supported Windows release are available.
Heap-based buffer overflow in Windows Hello allows an attacker who already holds elevated local access to escalate privileges beyond the Windows Hello security boundary, achieving high confidentiality, integrity, and availability impact across the broader Windows system. Affected builds span Windows 10 21H2/22H2 and Windows 11 23H2 through 26H1, representing virtually all currently supported Windows feature releases. No public exploit code or active exploitation has been identified at time of analysis; Microsoft has released patched builds via Patch Tuesday.
Out-of-bounds read in the Windows Win32K kernel graphics driver allows a local, low-privileged user to disclose sensitive kernel memory contents without requiring elevated rights or user interaction. The flaw spans a wide range of Microsoft Windows desktop and server releases, from Windows Server 2012 through Windows 11 26H1 and Server 2025, making the exposure surface broad. Microsoft has released patched builds through its standard update cycle; no public exploit code has been identified and the vulnerability is not listed in CISA KEV at time of analysis.
Memory exhaustion via crafted DHCP packets in Windows 11 and Windows Server 2025 allows an unauthenticated adjacent-network attacker to crash or degrade the DHCP client service. The root cause is CWE-401 (missing memory release after effective lifetime), meaning the DHCP client allocates memory when processing incoming DHCP messages but fails to free it, making the system vulnerable to progressive memory exhaustion. Impact is availability-only; no confidentiality or integrity breach is claimed. No public exploit or KEV listing has been identified at time of analysis.
Windows Kernel information disclosure affects virtually the entire active Windows ecosystem - from Server 2012 through Windows 11 26H1 and Server 2025 - enabling a low-privileged network attacker to obtain sensitive system-level information when a target user is induced to take a specific action. The flaw (CWE-497) involves the kernel exposing restricted internal data to an unauthorized control sphere over the network, producing high confidentiality impact with no integrity or availability effect. Microsoft has released patches across all affected versions; no public exploit code has been identified at time of analysis.
Out-of-bounds read in the Windows Remote Desktop Licensing Service enables a locally authenticated user to disclose sensitive memory contents on affected systems. The vulnerability spans a broad range of Windows versions from Server 2012 through Server 2025 and Windows 10/11 client builds, all covered under Microsoft's patch release. No public exploit code or active exploitation has been identified at time of analysis; with a CVSS of 5.5 and local-only attack vector, this is a moderate-severity information disclosure without integrity or availability impact.
Out-of-bounds memory read in Windows Remote Desktop Services (CWE-125) exposes arbitrary memory contents to a locally authenticated low-privileged attacker across virtually all supported Windows client and server releases. Affected versions span from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025, making this one of Microsoft's broadest-surface patch-cycle disclosures. No public exploit code or active exploitation (CISA KEV) has been identified at time of analysis; Microsoft has released patches for all affected version branches.
Out-of-bounds read in the Windows NTFS filesystem driver allows a low-privilege authenticated attacker to disclose sensitive memory contents over a network. Affected across a broad swath of Windows 10, Windows 11, and Windows Server releases from 2019 through 2025, this vulnerability requires victim user interaction (UI:R) to trigger, likely via a specially crafted NTFS volume or file accessed over a network path such as an SMB share. Impact is limited to confidentiality (C:H, I:N, A:N); no public exploit has been identified at time of analysis, and Microsoft has released patches addressing all listed affected versions.
Out-of-bounds read in the Windows SMB Client component exposes sensitive in-memory data to network-accessible, low-privilege attackers across a broad range of Windows releases from Server 2012 through Server 2025 and Windows 10/11 in multiple feature versions. An authorized attacker who induces a victim's SMB client to parse a malformed server response triggers a CWE-125 out-of-bounds memory read, potentially leaking high-value in-process data including credentials or tokens. No public exploit has been identified at time of analysis, and Microsoft has released patches addressing all listed affected versions.
Untrusted pointer dereference in Windows Print Spooler Components (CWE-822) enables a low-privileged, network-adjacent authenticated attacker to crash the Print Spooler service, causing a denial of service on all affected Windows versions. The CVSS vector (AV:N/AC:L/PR:L/UI:R/A:H) confirms the impact is purely availability - no confidentiality or integrity impact occurs. No public exploit has been identified at time of analysis, and Microsoft has released patches addressing all listed affected builds.
Heap-based buffer overflow in the Windows NTFS kernel driver enables an unauthenticated attacker with physical device access to execute arbitrary code at kernel privilege level. Affected products span virtually the entire supported Windows ecosystem from Server 2012 through Windows Server 2025 and Windows 11 26H1. Microsoft has released patched builds across all affected versions; no active exploitation has been identified (not in CISA KEV) and no public proof-of-concept exploit is known at time of analysis.
Sensitive information disclosure in Windows Print Spooler Components allows a low-privileged authenticated attacker to retrieve confidential data over the network by triggering error conditions that expose sensitive details in error messages (CWE-209). The vulnerability spans a broad range of Microsoft Windows desktop and server platforms, from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. No public exploit code or active exploitation (CISA KEV) has been identified; Microsoft has released patches addressing all affected build lines.
Heap-based buffer overflow in the Windows RNDIS (Remote Network Driver Interface Specification) driver allows a physically present, unauthenticated attacker to disclose heap memory contents. Exploitation requires direct physical access to the target device, as the attacker must connect a malicious USB RNDIS device to trigger the overflow. No public exploit code has been identified and this vulnerability is not listed in CISA KEV, making real-world risk low outside of targeted physical attacks.
Out-of-bounds read in the Windows USB Mass Storage Class Driver exposes kernel memory to locally authenticated attackers across a broad swath of Windows releases, from Server 2012 through Windows 11 26H1 and Server 2025. The CWE-125 flaw allows an authorized low-privilege user to read beyond an allocated buffer in the driver, potentially leaking sensitive memory contents including kernel addresses or credentials cached in driver memory. No public exploit code or active exploitation (CISA KEV) has been identified at time of analysis, though Microsoft has released patches across all affected build trains.
Windows Search Component on multiple Windows 11 and Windows Server builds writes sensitive information to externally-accessible file or directory locations (CWE-538), enabling an authenticated network attacker - with victim interaction - to read that exposed data. The flaw affects a wide swath of actively-supported Windows releases including Server 2022 and 2025, all patched by Microsoft in the current update cycle. No public exploit code has been identified and the vulnerability is not listed in CISA KEV, consistent with its moderate 5.7 CVSS score.
Out-of-bounds read in the Windows NTFS kernel driver (ntfs.sys) exposes kernel or process memory to a locally authenticated low-privilege attacker across a wide range of Windows client and server releases, from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. The vulnerability (CWE-125) is triggered locally without requiring user interaction, and the CVSS vector confirms confidentiality impact is high while integrity and availability are unaffected. No public exploit has been identified at time of analysis, and Microsoft has released patched builds via its cumulative update channel.
Privilege escalation via out-of-bounds read in the Windows USB Mass Storage Class Driver affects virtually every supported Windows release, from Server 2012 through Windows 11 26H1. An attacker with physical access to the target machine can connect a specially crafted USB storage device to trigger the kernel-mode memory flaw, potentially achieving complete system compromise (C:H/I:H/A:H per CVSS). No public exploit has been identified at time of analysis, and Microsoft has released patches covering all affected version branches.
Privilege escalation to SYSTEM in the Windows USB Audio Class driver (usbaudio.sys) is achievable by an attacker with physical device access who connects a specially crafted USB audio device. The integer overflow in the driver's input-handling logic produces an undersized heap allocation, enabling a subsequent heap-based buffer overflow (CWE-122) that corrupts kernel memory and permits arbitrary code execution at elevated privilege. The vulnerability spans a wide swath of supported Windows releases - from Windows 10 1809 through Windows 11 25H2 and Windows Server 2019/2022/2025 - making the patch surface broad. No public exploit code has been identified at time of analysis and the CVE is not listed in CISA KEV.
Out-of-bounds read in the Windows kernel-mode USB driver stack allows a locally authenticated low-privilege attacker to disclose arbitrary kernel memory contents on virtually every supported Windows release from Server 2012 through Windows 11 26H1. The CVSS 5.5 vector (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N) reflects straightforward local exploitation with high confidentiality impact but no integrity or availability loss. No public exploit or CISA KEV listing is identified at time of analysis; a vendor-released patch is available from Microsoft.
Tampering via NTFS link-following in Windows 11 allows a local low-privileged attacker to overwrite or modify files they would not ordinarily have write access to. The vulnerability (CWE-59) is triggered when a privileged Windows component resolves a symlink or junction point created by the attacker, resulting in file access against an unintended target. No public exploit code has been identified at time of analysis, and Microsoft has released patches for all affected Windows 11 versions.
Sensitive kernel-level system information is exposed to an unauthorized control sphere in the Windows Kernel, enabling any low-privileged local user to read data they should not have access to - a classic KASLR-defeating information disclosure. The flaw (CWE-497) spans an exceptionally wide range of affected platforms, from Windows 10 Version 1607 and Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. No public exploit code or CISA KEV entry exists at time of analysis, but this class of kernel information disclosure is routinely chained with privilege-escalation exploits to defeat kernel address randomization.
Out-of-bounds read in Windows Spaceport.sys exposes adjacent kernel memory to locally authenticated, low-privilege users across a broad range of Windows 10, 11, and Server releases. The flaw is classified CWE-125 and carries a CVSS 5.5 with high confidentiality impact but no integrity or availability consequence, making it an information-disclosure primitive rather than a full code-execution path. Microsoft has released patches; no public exploit code or active exploitation has been confirmed at time of analysis.
Unthrottled resource allocation in the Windows SMB Server component (CWE-770) allows a low-privilege authenticated attacker to exhaust server resources over a network connection, causing a denial of service. Affected platforms span Windows 10 (21H2, 22H2), Windows 11 (23H2 through 26H1), Windows Server 2022, and Windows Server 2025 across both standard and Server Core installations. Microsoft has released patches for all affected builds; no public exploit code or CISA KEV listing has been identified at time of analysis.
Windows Management Instrumentation (WMI) across a wide range of Windows 10, 11, and Server editions returns uninitialized memory to authenticated remote callers (CWE-908), potentially exposing sensitive heap or stack contents from prior operations. The CVSS 3.1 vector (PR:L/UI:R) confirms exploitation requires a valid low-privileged Windows account plus some form of user interaction, which substantially limits automated or unauthenticated abuse. No public exploit code and no CISA KEV listing have been identified at time of analysis; a vendor-released patch is available.
Out-of-bounds read in the Windows Overlay Filter (WOF) kernel driver allows a locally authenticated low-privilege attacker to disclose kernel memory contents across virtually all supported Windows desktop and server releases, from Windows Server 2012 R2 through Windows 11 26H1 and Windows Server 2025. The flaw (CWE-125) requires no user interaction and carries high confidentiality impact, making it a viable KASLR-bypass or sensitive-data-leak primitive in a multi-stage local privilege escalation chain. No public exploit or CISA KEV listing has been identified at time of analysis, and Microsoft has released patches for all affected versions.
Local information disclosure in the Windows MIDI Service Module allows a low-privileged authenticated local user to read sensitive system information outside its intended authorization boundary. Affecting Windows 11 versions 24H2, 25H2, and 26H1, the flaw (CWE-497) enables an attacker already present on the system to extract data that should be inaccessible to their privilege level. Microsoft has released patches for all three affected branches; no public exploit code or active exploitation has been identified.
Out-of-bounds read in Windows Imaging Component (WIC) allows a locally authenticated attacker with standard user-level privileges to read memory contents beyond allocated buffer boundaries, disclosing potentially sensitive in-process data. The vulnerability affects an exceptionally wide range of Windows releases, from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025, confirmed by EUVD/NVD version data and reported directly by Microsoft MSRC. Microsoft has released targeted patches per platform build; no public exploit code has been identified and the CVE is not listed in the CISA KEV catalog at time of analysis.
Windows License Manager on multiple Windows 10, 11, and Server editions exposes sensitive system licensing data to locally authenticated low-privileged users due to CWE-497 (Exposure of Sensitive System Information to an Unauthorized Control Sphere). An attacker with an existing local session can read confidential licensing information — such as activation data, product identifiers, or licensing metadata — without authorization. No public exploit code and no CISA KEV listing have been identified; vendor patches are available for all affected versions, reducing urgency for patched environments.
Microsoft COM for Windows leaks sensitive information through error messages on a wide range of Windows 10, Windows 11, and Windows Server versions, allowing a locally authenticated attacker with standard user privileges to read high-confidentiality data. The flaw is rooted in CWE-209 (error message content exposure), where COM subsystem error paths disclose internal state that should not be visible to unprivileged callers. No public exploit or active exploitation has been identified at time of analysis, and Microsoft has released patches addressing all affected builds.
Windows GDI+ (Graphics Device Interface Plus) fails to initialize a resource before use (CWE-908), allowing a local low-privileged attacker to read residual memory contents and disclose potentially sensitive information from the affected system. The flaw spans virtually every supported Windows release - from Server 2012 through Windows 11 26H1 and Server 2025 - making it one of the broadest-footprint components affected. No public exploit code has been identified at time of analysis, and the vulnerability is not listed in CISA's KEV catalog.
Out-of-bounds read in the Windows USB Audio Class driver (usbaudio.sys) allows a local low-privileged attacker to disclose kernel-mode memory contents. The vulnerability spans a wide swath of Windows releases - from Windows 10 1607 and Windows Server 2012 through Windows 11 26H1 and Windows Server 2025 - making patch surface operationally broad. Microsoft has released fixes via the standard update channel; no public exploit code and no active exploitation have been confirmed at time of analysis.
Local information disclosure in the Windows Connected User Experiences and Telemetry (DiagTrack) service allows a low-privileged authenticated local attacker to read sensitive data outside their authorized security scope. The CVSS scope-change metric (S:C) indicates the exposed data originates from a security domain beyond the telemetry component itself - likely higher-privileged OS subsystem data. Affecting Windows 10, Windows 11, and Windows Server 2019/2022/2025 across all mainstream support channels, Microsoft has released patches via the standard Patch Tuesday cadence. No public exploit identified at time of analysis.
Denial-of-service in Windows iSCSI via an out-of-bounds read (CWE-125) allows an unauthenticated network attacker to crash the affected service, rendering iSCSI storage targets or initiators unavailable. The vulnerability affects an exceptionally broad swath of Microsoft Windows - from Windows Server 2012 through Server 2025 and Windows 10/11 across all major release channels. User interaction is required per the CVSS vector (UI:R), meaning exploitation likely requires a user to initiate or process a malformed iSCSI exchange. No public exploit code or CISA KEV listing has been identified at time of analysis; vendor-released patches are available.
Use-after-free in the Windows Network Connection Broker service allows a local authenticated attacker to read stale heap memory, disclosing potentially sensitive information. The vulnerability spans every supported Windows client and server release from Windows 10 1607 and Windows Server 2016 through Windows 11 25H2 and Windows Server 2025, making the exposed surface extremely broad. Microsoft has shipped patched cumulative updates for all affected SKUs; no public exploit code or active exploitation has been identified at time of analysis.
Out-of-bounds read in the Windows Program Compatibility Assistant (PCA) Service exposes high-confidence memory contents to authenticated network attackers across a broad swath of Windows 10, 11, and Windows Server releases. The flaw (CWE-125) allows a low-privileged user who triggers the right interaction to cause the service to read beyond a buffer boundary, leaking memory over the network with no integrity or availability impact. No public exploit code or CISA KEV listing has been identified at time of analysis, and Microsoft has released patches for all affected versions.
Sensitive information disclosure in the Windows Program Compatibility Assistant (PCA) Service allows a locally authenticated attacker with standard user privileges to read sensitive data written to log files. Affected systems include Windows 11 versions 23H2 through 26H1 and Windows Server 2025 in both full and Server Core configurations. No public exploit code or active exploitation has been identified at time of analysis, and vendor-released patches are available via Microsoft's update guide.
Buffer over-read in the Windows NTFS filesystem driver allows a local low-privileged authenticated attacker to disclose sensitive information from kernel or process memory without modifying system state. The CVSS vector (AV:L/AC:L/PR:L/UI:N) confirms this is a local, low-complexity attack requiring only standard user privileges. No active exploitation has been observed (not in CISA KEV), and no public proof-of-concept exploit is identified at time of analysis. Microsoft has released patches covering the full range of affected Windows client and server versions.
Out-of-bounds read in the Windows Bluetooth Port Driver (bthport.sys) allows a local, low-privileged authenticated attacker to disclose kernel memory contents under high-complexity conditions. Affected platforms span Windows 10 (21H2/22H2), Windows 11 (23H2/24H2/25H2/26H1), Windows Server 2022, and Windows Server 2025 across specific build thresholds confirmed by EUVD version data. Microsoft has released patches; no public exploit code or CISA KEV listing is identified at time of analysis, constraining real-world risk to post-compromise or insider scenarios.
Information disclosure in the Windows MIDI Service Module affects Windows 11 versions 24H2, 25H2, and 26H1, allowing a locally authenticated low-privileged attacker to read sensitive system information that should remain within an authorized control sphere. The vulnerability (CWE-497) requires no user interaction and is limited to local attack vectors with no integrity or availability impact. Microsoft has released patches addressing all affected builds, and no public exploit or active exploitation has been identified at time of analysis.
Heap-based buffer overflow in the Windows NTFS kernel driver enables an unauthenticated attacker with physical access to execute arbitrary code at kernel privilege level. The vulnerability (CWE-122) affects virtually the entire Windows product family from Server 2012 through Windows 11 26H1 and Windows Server 2025, requiring no credentials or user interaction beyond physical presence at the target machine. No public exploit or active exploitation has been identified at time of analysis; Microsoft has released patches across all affected version branches.
Windows Defender Firewall Service on a broad range of Windows client and server editions exposes protected files or directories to low-privileged local attackers (CWE-552), enabling sensitive information disclosure. A local attacker holding a standard user account can access firewall service files - potentially including policy configuration, rule data, or service-level secrets - that should be restricted to privileged processes. Microsoft has released patches across the full affected version range; no public exploit has been identified at the time of analysis.
Symlink following in Windows UPnP Device Host (upnphost) allows a locally authenticated, low-privileged attacker to redirect the service's file access operations through crafted symbolic links or junctions, disclosing the contents of otherwise inaccessible files. The vulnerability spans an unusually wide set of affected Windows releases - from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025 - indicating a systemic deficiency in how the UPnP host service resolves paths before file access. Microsoft has released corrective patches; no public exploit code or CISA KEV listing has been identified at time of analysis.
Path traversal in Windows PowerShell (CWE-22) enables network-based security feature bypass across virtually all supported Windows releases, from Server 2012 through Windows Server 2025 and Windows 11 26H2. The flaw allows an unauthenticated remote attacker - contingent on user interaction - to write files outside a restricted directory, circumventing a Windows security boundary with high integrity impact and no direct confidentiality or availability consequence. No active exploitation is confirmed in CISA KEV and no public exploit code has been identified at time of analysis, though the broad affected surface across all major Windows versions warrants prompt patching.
Windows Management Services on Windows 11 contains an improper link resolution flaw (CWE-59) that allows an authenticated local attacker to crash or disable the service by planting a malicious symbolic link or directory junction at a file path the service accesses. Affected builds span Windows 11 versions 24H2, 25H2, and 26H1, with patched builds confirmed by Microsoft via MSRC. No active exploitation has been confirmed in CISA KEV, and no public exploit code has been identified at time of analysis.
Privilege escalation in Windows DNS affects a broad range of Windows 10, Windows 11, and Windows Server releases through a numeric truncation error (CWE-197) in the DNS component. An authorized local attacker already holding high-privilege credentials can exploit this flaw to achieve full compromise of confidentiality, integrity, and availability on the affected host. Microsoft has released patched builds across all affected version lines; no public exploit code exists and no active exploitation has been identified at time of analysis.
Privilege escalation in the Windows DNS service affects a broad range of Windows client and server versions from Windows Server 2012 through Windows Server 2025 and Windows 10/11 across all major feature releases. The vulnerability stems from a numeric truncation error (CWE-122, heap-based buffer overflow) that an already-privileged local attacker can trigger to gain elevated access beyond their current privilege level. No public exploit code and no CISA KEV listing are present at time of analysis, but Microsoft has released patches across all affected product lines.
Local privilege escalation in Windows DNS affects a broad range of Windows client and server operating systems, enabling an already-authenticated local attacker to gain elevated privileges on the target system. The CVSS vector (AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H) indicates the attacker requires high existing privileges - consistent with the description's reference to an 'authorized attacker' - yet can achieve full confidentiality, integrity, and availability impact post-exploitation. No public exploit code has been identified at time of analysis, and the vulnerability does not appear in the CISA KEV catalog; a vendor-released patch is available via Microsoft's Update Guide.
Information disclosure via a buffer over-read in the Windows SMB Client component affects a broad spectrum of Microsoft Windows desktop and server editions, from Windows Server 2012 through Windows 11 25H2. An attacker who controls a malicious SMB server and induces a target Windows user to connect to it can trigger the client to read beyond allocated memory buffer boundaries, leaking potentially sensitive process memory contents across the network. SSVC rates exploitation status as none and no public exploit code has been identified at time of analysis, though the high confidentiality impact (C:H) and the near-universal deployment footprint of the Windows SMB Client make this a meaningful routine patch priority.
Uncontrolled resource consumption in the Windows DHCP Client enables an unauthenticated attacker on the same network segment to crash or deny service to affected hosts without any user interaction. Affected platforms span Windows 11 (versions 24H2, 25H2, and 26H1) and Windows Server 2025, all in unpatched builds. No public exploit code or active exploitation (KEV) has been identified at time of analysis; a vendor-released patch is available via the Microsoft Security Response Center.
Out-of-bounds read in the Windows NTFS kernel driver (CWE-125) allows a low-privileged local attacker to disclose potentially sensitive kernel memory contents across a broad range of Windows 10, Windows 11, and Windows Server editions from Server 2012 through Server 2025. The CVSS vector confirms local-only exploitability with low privilege requirements and no user interaction needed, yielding high confidentiality impact but no integrity or availability consequence. No public exploit code and no CISA KEV listing have been identified at time of analysis; however, the breadth of affected versions across both consumer and enterprise Windows releases makes timely patching critical for any organization with a Windows estate.
Inadequate encryption strength in Windows Active Directory enables a low-privileged authenticated network attacker to bypass a security feature, resulting in a high-integrity impact. Affected platforms span Windows Server 2022, Windows Server 2025, and multiple Windows 11 release channels (23H2 through 26H1). No public exploit identified at time of analysis; SSVC assessment confirms no observed exploitation and the attack is not automatable, placing this in a lower operational urgency tier despite the high integrity impact rating.
Windows GDI (Graphics Device Interface) exposes an out-of-bounds read flaw exploitable by any locally authenticated, low-privileged user across a broad span of Windows releases - from Windows 10 Version 1607 and Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. Successful exploitation yields high-confidence memory disclosure (C:H per CVSS), enabling an attacker to read memory contents beyond the intended GDI buffer boundary, potentially exposing credentials, session material, or cryptographic data. No public exploit code or active exploitation has been identified at time of analysis; however, the low attack complexity and extremely wide platform coverage make this a high-priority routine patch-cycle item.
Out-of-bounds read in the Windows NTFS filesystem driver exposes kernel memory contents to local authenticated attackers across a wide range of Windows client and server releases, from Windows Server 2012 through Windows 11 26H1 and Server 2025. Exploitation requires only a low-privileged local account (CVSS PR:L, AV:L), yielding high confidentiality impact with no integrity or availability consequence. No public exploit code exists and SSVC exploitation status is confirmed 'none', though the broad platform footprint and low-privilege bar make this a meaningful patch priority for multi-user and shared-access environments.
Privilege escalation in Windows DNS across a wide range of Windows 10, Windows 11, and Windows Server releases exploits a numeric truncation error (CWE-122, heap-based buffer overflow) to allow an authorized local attacker with high privileges to fully compromise the vulnerable system. Affected builds span from Windows Server 2012 through Windows Server 2025 and Windows 11 26H1, with vendor-supplied patches now available from Microsoft MSRC. SSVC assessment confirms no current exploitation activity and the vulnerability is not automatable, though technical impact is rated total across confidentiality, integrity, and availability.
Privilege escalation in Windows DNS across a broad range of Microsoft Windows releases stems from a numeric truncation error (CWE-122) that produces a heap-based buffer overflow, enabling an already high-privileged local attacker to escalate further - likely to SYSTEM level. The vulnerability spans Windows Server 2012 through Server 2025 and Windows 10/11 consumer editions, representing a wide patching surface. No public exploit has been identified at time of analysis, and CISA SSVC confirms exploitation status as none with no automatable attack path, though technical impact is rated total.
Windows Win32K contains an untrusted pointer dereference (CWE-822) that allows a locally authenticated attacker to disclose sensitive kernel or process memory contents. Affected systems include multiple Windows 11 release branches (23H2, 24H2, 25H2, 26H1) and Windows Server 2025, both full and Server Core installations. No public exploit has been identified at time of analysis and exploitation has not been confirmed by CISA KEV; Microsoft has released patches addressing all affected build ranges.
Out-of-bounds read in the Windows NTFS driver exposes sensitive memory contents to locally authenticated attackers across a wide range of Microsoft Windows and Windows Server releases. The flaw (CWE-125) allows a low-privileged local user to read kernel or process memory beyond intended boundaries, resulting in information disclosure with high confidentiality impact but no integrity or availability consequences. No public exploit code has been identified at time of analysis, and CISA SSVC rates exploitation as none with partial technical impact.
Information disclosure in the Windows NTFS filesystem driver allows a local low-privileged attacker to read beyond buffer boundaries and expose sensitive memory contents. Affecting virtually every supported Windows desktop and server release - from Windows 10 1607 through Windows Server 2025 and Windows 11 26H1 - the vulnerability requires only a standard local user account and no special configuration, making it a realistic threat in multi-tenant, shared, or cloud environments where local access is granted to semi-trusted users. No public exploit code or active exploitation has been identified at time of analysis; Microsoft has released patches across all affected product lines.
Out-of-bounds read in the Windows Win32K kernel graphics subsystem allows any locally authenticated low-privilege user to disclose sensitive kernel memory contents without user interaction. The flaw spans an exceptionally broad range of affected Windows versions, from Server 2012 through Windows 11 25H2, significantly widening enterprise exposure. No active exploitation has been confirmed in CISA KEV and no public exploit has been identified at time of analysis, though kernel memory disclosure from Win32K is strategically valuable as a KASLR-bypass primitive in chained privilege escalation attacks.
Windows DNS Server on a broad range of Windows and Windows Server editions contains a heap-based buffer overflow rooted in a numeric truncation error, enabling an authorized local attacker with high-privilege access to escalate privileges on the affected system. Affected platforms span Windows Server 2012 through Server 2025 and Windows 10/11 across multiple feature versions, with Microsoft confirming full confidentiality, integrity, and availability impact upon successful exploitation. No public exploit code or active exploitation has been identified at time of analysis; SSVC classifies exploitation status as none and automatable as no, and Microsoft has released patches addressed in the MSRC advisory.
Privilege escalation in Windows Printer Association Object affects Windows 11 and Windows Server 2022/2025 through a race condition in shared resource access. An authenticated local attacker can exploit improper synchronization to gain elevated system privileges. No patch is currently available for this vulnerability.
Desktop Windows Manager on Windows 10, Windows 11, and Windows Server 2022 leaks sensitive information to local authenticated users, enabling disclosure of confidential data without modifying or disrupting system functionality. This vulnerability is confirmed actively exploited and affects multiple Windows versions with no patch currently available. An authorized attacker can exploit this with minimal complexity to extract sensitive information from the system.
Windows Hello privilege elevation flaw in Windows 10 21h2, Windows Server 2019, 2022, and 2022 23h2 enables local attackers to modify system data without authorization. The vulnerability stems from improper privilege assignment that bypasses access controls, allowing an unauthenticated attacker with local access to tamper with protected resources. Currently no patch is available and exploitation requires only local access with no special conditions or user interaction.
Windows Kernel contains a race condition vulnerability enabling local privilege escalation through concurrent resource access with improper synchronization.
In IGEL OS before 11, Secure Boot can be bypassed because the igel-flash-driver module improperly verifies a cryptographic signature. Ultimately, a crafted root filesystem can be mounted from an unverified SquashFS image.
Local tampering of the Windows Cloud Files Mini Filter Driver (CldFlt.sys) is possible because the driver exposes a critical function without adequate authentication checks, allowing a low-privileged local attacker to modify protected data or state that would normally require higher authorization. Affecting Windows 10 through Windows 11 and Windows Server 2019 through 2025 across a wide range of builds, the flaw yields a high integrity impact with no confidentiality or availability consequence. No public exploit code and no CISA KEV listing were identified at time of analysis; Microsoft has released patches covering all affected versions.
Out-of-bounds memory read in Windows Virtualization-Based Security (VBS) Enclave allows a locally authorized attacker to disclose protected enclave memory contents. Affected systems span Windows 11 versions 23H2 through 26H1 and Windows Server 2025; Microsoft has issued patched builds addressing the flaw. SSVC assessment places current exploitation at none with partial technical impact, consistent with the strictly local, non-automatable attack surface.
Buffer over-read (CWE-126) in the Windows Storage component exposes adjacent memory contents to a physically-present attacker across virtually the entire supported Windows product line, from Server 2012 through Windows 11 25H2 and Server 2025. The CVSS vector (AV:P/UI:R) confirms exploitation requires both physical access to the target machine and user interaction to trigger the vulnerable code path, sharply constraining real-world attack surface. No public exploit code has been identified and CISA SSVC rates exploitation as none at time of analysis; a vendor-released patch is available via the Microsoft Security Response Center.
Out-of-bounds read in the Windows CD-ROM kernel-mode driver exposes kernel memory contents to an attacker with physical access across virtually every supported Windows release from Server 2012 through Windows 11 Version 26H1. The flaw (CWE-125) allows kernel memory disclosure - potentially including credentials or cryptographic material - when a crafted disc interaction or malformed IOCTL triggers a read beyond the intended buffer boundary. Microsoft has released patches; no public exploit code exists and the vulnerability is not listed in CISA KEV.
Out-of-bounds read in the Xbox component on Windows allows a physically-present attacker to disclose sensitive memory contents. Affecting a wide range of Windows 10 and Windows 11 builds (plus Windows Server 2016/2019), the flaw is triggered via a physical interaction, yielding high confidentiality impact with no integrity or availability consequence. No public exploit code has been identified and CISA SSVC classifies exploitation as none at time of analysis, making this a lower-urgency but patch-worthy item for any endpoint reachable by an untrusted third party.
Out-of-bounds read in the Windows CD-ROM kernel driver enables a local, low-privileged attacker to disclose sensitive kernel memory contents across a broad swath of Windows 10, Windows 11, and Windows Server 2016/2019 builds. The vulnerability is reachable from standard user space - no administrator rights or user interaction required - via crafted I/O control requests to the driver. No public exploit code has been identified and CISA SSVC rates exploitation as none, but kernel memory leakage can serve as a stepping stone in multi-stage privilege-escalation chains.
Integer underflow (CWE-191) in the Microsoft Windows SCSI Class System File enables remote unauthenticated attackers to disclose kernel-level information when a user interacts with a crafted resource, affecting all major Windows desktop and server releases from Server 2012 through Windows 11 26H1. The out-of-bounds read condition triggered by the wraparound arithmetic can expose high-confidentiality memory contents (C:H) with no integrity or availability impact. No public exploit has been identified at time of analysis, and the CISA SSVC framework rates exploitation status as none and technical impact as partial, consistent with a disclosure-only profile.
Out-of-bounds read in the Microsoft Windows SCSI Class System File driver (CWE-125) exposes kernel memory contents to an attacker with physical access to the target machine. The flaw affects a broad range of Windows 10, Windows 11, and Windows Server releases, from build 10.0.17763 through current 25H2 and Server 2025 lines. No active exploitation or public proof-of-concept has been identified; vendor-released patches are available via the July 2026 Microsoft Security Update.
Privilege escalation via untrusted pointer dereference in the Windows SCSI Class System File affects a broad range of Windows 10, 11, and Windows Server releases, requiring physical access to trigger. An attacker with physical access to a target machine can connect a malicious SCSI device, causing the kernel-mode SCSI class driver to dereference an attacker-controlled pointer and elevate from unprivileged to full system (kernel) control. No public exploit and no CISA KEV listing have been identified at time of analysis; exploitation is constrained to physical proximity.
Use-after-free in Windows Distributed File System (DFS) enables an authenticated network attacker to crash the DFS service, resulting in denial of file-sharing access across affected Windows client and server versions. The CVSS vector (AV:N/AC:H/PR:L) confirms network reachability but constrains exploitation to low-privilege authenticated accounts under high-complexity conditions. Microsoft has released patches covering the full affected range from Windows 10 1607 through Windows Server 2025; no public exploit code or active exploitation has been identified at time of analysis.
Privilege escalation in Windows Boot Manager allows an unauthorized attacker with physical access to achieve full pre-OS system compromise, yielding high confidentiality, integrity, and availability impact across a sweeping range of Windows desktop and server editions. The root cause is a protection mechanism failure (CWE-693) in the boot-time security stack - consistent with a Secure Boot or early-launch integrity bypass - that an adversary can exploit without any prior authentication or system privileges once physical access is obtained. Microsoft has released patches for all affected versions; no public exploit code has been identified at time of analysis, and the vulnerability is not listed in the CISA KEV catalog.
Out-of-bounds read in Windows GDI (Graphics Device Interface) exposes sensitive memory contents to local attackers across a wide range of Microsoft Windows desktop and server releases. When a user opens or previews a specially crafted file, the GDI subsystem reads beyond its intended buffer boundary (CWE-125), potentially leaking heap data or kernel address space layout pointers that can serve as ASLR-bypass primitives in chained exploit scenarios. No public exploit code has been identified and no CISA KEV listing exists; Microsoft has released patched builds for all affected versions.
Security feature bypass in Windows URL Moniker enables a remote, unauthenticated attacker to circumvent URL-based security controls across virtually all supported Windows versions from Server 2012 through Windows 11 26H1. Rooted in improper resolution of path equivalence (CWE-41), the flaw allows crafted URL representations to evade security filters that would otherwise block access to restricted resources. Exploitation requires user interaction per the CVSS vector (UI:R) and yields only limited confidentiality impact (C:L) with no integrity or availability effects; no public exploit code has been identified at time of analysis.
Information disclosure in the Windows Biometric Service exposes private personal information to locally authenticated, low-privilege attackers without requiring user interaction. The flaw, rooted in CWE-359, affects a broad swath of Windows versions from Server 2016 through Windows 11 26H1 and Server 2025, giving an authenticated local user unauthorized read access to biometric-related PII managed by the service. Microsoft has released patches across all affected version lines. No public exploit or active exploitation has been identified at time of analysis.
Heap-based buffer overflow in the Windows Storage Spaces kernel driver (Spaceport.sys) enables kernel-mode code execution through a physical attack, affecting nearly every supported Windows desktop and server release. The flaw carries a CVSS 3.1 score of 6.8 with a physical attack vector, meaning an adversary must have hands-on access to the target hardware to trigger the overflow. Microsoft has issued patches covering Windows Server 2012 through Windows Server 2025 and Windows 10 through Windows 11 26H2; no public exploit or CISA KEV listing has been identified at time of analysis.
Out-of-bounds read in the Windows Partition Management Driver exposes sensitive kernel memory to locally authenticated low-privileged users across a wide swath of Windows client and server releases, from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. Exploitation is strictly local and requires an authorized user account, limiting blast radius to post-compromise or insider-threat scenarios. No public exploit code exists and SSVC classifies exploitation status as none, making this a lower operational priority despite the formally high confidentiality impact rating.
Heap-based buffer overflow in Windows Installer (msiexec) enables local privilege escalation across a broad range of Microsoft Windows client and server releases. An attacker with high-privileged local access can exploit this CWE-122 flaw to achieve full system-level code execution - compromising confidentiality, integrity, and availability - making it a post-exploitation escalation primitive. Vendor-released patches are available; no public exploit code or CISA KEV listing is identified at time of analysis.
Heap-based buffer overflow in the Windows NTFS kernel driver allows an unauthenticated attacker with physical access to execute arbitrary code at kernel privilege on affected systems. The vulnerability spans nearly every supported Windows release from Server 2012 through Windows 11 26H1 and Windows Server 2025, and is triggered when the NTFS driver processes a specially crafted volume attached by an adversary. No public exploit code has been identified at time of analysis, and Microsoft has released patches through its standard update channel.
Uninitialized kernel memory exposure in the Windows Win32 Kernel Subsystem allows a local low-privileged attacker to read sensitive memory contents from the kernel address space. Exploitation requires only a valid local account and no user interaction, making it accessible to any authenticated user on affected Windows endpoints and servers. The vulnerability spans an exceptionally wide range of Microsoft Windows releases - from Windows 10 version 1607 and Windows Server 2012 through the latest Windows 11 and Windows Server 2025 builds - and is remediated via the July 2026 Microsoft security update cycle. No public exploit or KEV listing has been identified at time of analysis.
Out-of-bounds read in the Windows Search Component allows a local low-privileged authenticated user to disclose sensitive memory contents on the affected host. The flaw (CWE-125) spans an exceptionally broad Windows footprint, covering every major release from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. Microsoft has released patches across all affected branches; no active exploitation or public proof-of-concept has been identified at time of analysis.
Windows Compressed Folder's built-in ZIP handler on Windows 11 and Windows Server 2025 allows a network-adjacent attacker to craft a malicious archive exploiting NTFS hard link abuse (CWE-65) to read sensitive files outside the intended extraction path, resulting in high-confidentiality information disclosure. Exploitation requires victim interaction - the user must open or expand the crafted compressed archive in Windows Explorer - but no attacker authentication or special privileges are needed. No CISA KEV listing or public exploit code has been identified at time of analysis, and a vendor-released patch is available via MSRC.
Out-of-bounds read in Windows Spaceport.sys (the kernel-mode port driver for the Windows Storage Spaces subsystem) allows a locally authenticated, low-privileged attacker to disclose kernel memory contents under high-complexity conditions. The vulnerability spans virtually all supported Windows releases - from Windows 10 1607 and Server 2012 through Windows 11 26H1 and Server 2025 - making the patch surface extremely wide. Microsoft has released fixes for all affected versions; no public exploit or CISA KEV listing has been identified at time of analysis.
Local privilege escalation in Windows Advanced Local Procedure Call (ALPC) allows an attacker already holding high administrative privileges to further escalate to kernel-level or system-level access via untrusted pointer dereference (CWE-822). The vulnerability affects a wide sweep of Windows releases - from Windows 10 version 1809 through Windows 11 26H1 and Windows Server 2019 through Server 2025 - and is confirmed patched by Microsoft. The CVSS scope-change flag (S:C) indicates the exploit crosses privilege boundaries beyond the initially compromised component, yielding full confidentiality, integrity, and availability impact on subordinate system resources. No public exploit or active exploitation (CISA KEV) has been identified at time of analysis.
Windows Wireless Wide Area Network (WWAN) Service on multiple Windows 10, Windows 11, and Windows Server editions contains an out-of-bounds read (CWE-125) that allows a locally authenticated low-privileged user to disclose sensitive contents from the service's memory. The flaw resides in the WWAN service process - responsible for managing mobile broadband connectivity - and affects system confidentiality without granting write access or code execution capability. Microsoft has released patched builds across all affected editions; no public exploit code or active exploitation has been identified at time of analysis.
Uninitialized kernel memory in Win32K (win32k.sys) enables local attackers with standard user privileges to read sensitive kernel memory contents on affected Windows systems. The vulnerability spans virtually all currently supported Windows client and server releases, from Windows Server 2012 through Windows Server 2025 and Windows 11 25H2/26H1. No public exploit identified at time of analysis, though Win32K info-leaks of this class are routinely chained with privilege escalation exploits to defeat kernel address space layout randomization (KASLR).
Sensitive kernel information is exposed to low-privileged local users through a CWE-497 flaw in the Windows Win32K graphics subsystem, confirmed by Microsoft's own security team (secure@microsoft.com). The scope-changed CVSS vector (S:C/C:H) indicates the leaked data originates from the kernel security boundary, making this a classic KASLR-defeat primitive that threat actors chain with separate privilege-escalation exploits to achieve full system compromise. No public exploit code has been identified and the vulnerability is absent from the CISA KEV catalog; vendor patches covering every supported Windows release are available.
Heap-based buffer overflow in Windows Hello allows an attacker who already holds elevated local access to escalate privileges beyond the Windows Hello security boundary, achieving high confidentiality, integrity, and availability impact across the broader Windows system. Affected builds span Windows 10 21H2/22H2 and Windows 11 23H2 through 26H1, representing virtually all currently supported Windows feature releases. No public exploit code or active exploitation has been identified at time of analysis; Microsoft has released patched builds via Patch Tuesday.
Out-of-bounds read in the Windows Win32K kernel graphics driver allows a local, low-privileged user to disclose sensitive kernel memory contents without requiring elevated rights or user interaction. The flaw spans a wide range of Microsoft Windows desktop and server releases, from Windows Server 2012 through Windows 11 26H1 and Server 2025, making the exposure surface broad. Microsoft has released patched builds through its standard update cycle; no public exploit code has been identified and the vulnerability is not listed in CISA KEV at time of analysis.
Memory exhaustion via crafted DHCP packets in Windows 11 and Windows Server 2025 allows an unauthenticated adjacent-network attacker to crash or degrade the DHCP client service. The root cause is CWE-401 (missing memory release after effective lifetime), meaning the DHCP client allocates memory when processing incoming DHCP messages but fails to free it, making the system vulnerable to progressive memory exhaustion. Impact is availability-only; no confidentiality or integrity breach is claimed. No public exploit or KEV listing has been identified at time of analysis.
Windows Kernel information disclosure affects virtually the entire active Windows ecosystem - from Server 2012 through Windows 11 26H1 and Server 2025 - enabling a low-privileged network attacker to obtain sensitive system-level information when a target user is induced to take a specific action. The flaw (CWE-497) involves the kernel exposing restricted internal data to an unauthorized control sphere over the network, producing high confidentiality impact with no integrity or availability effect. Microsoft has released patches across all affected versions; no public exploit code has been identified at time of analysis.
Out-of-bounds read in the Windows Remote Desktop Licensing Service enables a locally authenticated user to disclose sensitive memory contents on affected systems. The vulnerability spans a broad range of Windows versions from Server 2012 through Server 2025 and Windows 10/11 client builds, all covered under Microsoft's patch release. No public exploit code or active exploitation has been identified at time of analysis; with a CVSS of 5.5 and local-only attack vector, this is a moderate-severity information disclosure without integrity or availability impact.
Out-of-bounds memory read in Windows Remote Desktop Services (CWE-125) exposes arbitrary memory contents to a locally authenticated low-privileged attacker across virtually all supported Windows client and server releases. Affected versions span from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025, making this one of Microsoft's broadest-surface patch-cycle disclosures. No public exploit code or active exploitation (CISA KEV) has been identified at time of analysis; Microsoft has released patches for all affected version branches.
Out-of-bounds read in the Windows NTFS filesystem driver allows a low-privilege authenticated attacker to disclose sensitive memory contents over a network. Affected across a broad swath of Windows 10, Windows 11, and Windows Server releases from 2019 through 2025, this vulnerability requires victim user interaction (UI:R) to trigger, likely via a specially crafted NTFS volume or file accessed over a network path such as an SMB share. Impact is limited to confidentiality (C:H, I:N, A:N); no public exploit has been identified at time of analysis, and Microsoft has released patches addressing all listed affected versions.
Out-of-bounds read in the Windows SMB Client component exposes sensitive in-memory data to network-accessible, low-privilege attackers across a broad range of Windows releases from Server 2012 through Server 2025 and Windows 10/11 in multiple feature versions. An authorized attacker who induces a victim's SMB client to parse a malformed server response triggers a CWE-125 out-of-bounds memory read, potentially leaking high-value in-process data including credentials or tokens. No public exploit has been identified at time of analysis, and Microsoft has released patches addressing all listed affected versions.
Untrusted pointer dereference in Windows Print Spooler Components (CWE-822) enables a low-privileged, network-adjacent authenticated attacker to crash the Print Spooler service, causing a denial of service on all affected Windows versions. The CVSS vector (AV:N/AC:L/PR:L/UI:R/A:H) confirms the impact is purely availability - no confidentiality or integrity impact occurs. No public exploit has been identified at time of analysis, and Microsoft has released patches addressing all listed affected builds.
Heap-based buffer overflow in the Windows NTFS kernel driver enables an unauthenticated attacker with physical device access to execute arbitrary code at kernel privilege level. Affected products span virtually the entire supported Windows ecosystem from Server 2012 through Windows Server 2025 and Windows 11 26H1. Microsoft has released patched builds across all affected versions; no active exploitation has been identified (not in CISA KEV) and no public proof-of-concept exploit is known at time of analysis.
Sensitive information disclosure in Windows Print Spooler Components allows a low-privileged authenticated attacker to retrieve confidential data over the network by triggering error conditions that expose sensitive details in error messages (CWE-209). The vulnerability spans a broad range of Microsoft Windows desktop and server platforms, from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. No public exploit code or active exploitation (CISA KEV) has been identified; Microsoft has released patches addressing all affected build lines.
Heap-based buffer overflow in the Windows RNDIS (Remote Network Driver Interface Specification) driver allows a physically present, unauthenticated attacker to disclose heap memory contents. Exploitation requires direct physical access to the target device, as the attacker must connect a malicious USB RNDIS device to trigger the overflow. No public exploit code has been identified and this vulnerability is not listed in CISA KEV, making real-world risk low outside of targeted physical attacks.
Out-of-bounds read in the Windows USB Mass Storage Class Driver exposes kernel memory to locally authenticated attackers across a broad swath of Windows releases, from Server 2012 through Windows 11 26H1 and Server 2025. The CWE-125 flaw allows an authorized low-privilege user to read beyond an allocated buffer in the driver, potentially leaking sensitive memory contents including kernel addresses or credentials cached in driver memory. No public exploit code or active exploitation (CISA KEV) has been identified at time of analysis, though Microsoft has released patches across all affected build trains.
Windows Search Component on multiple Windows 11 and Windows Server builds writes sensitive information to externally-accessible file or directory locations (CWE-538), enabling an authenticated network attacker - with victim interaction - to read that exposed data. The flaw affects a wide swath of actively-supported Windows releases including Server 2022 and 2025, all patched by Microsoft in the current update cycle. No public exploit code has been identified and the vulnerability is not listed in CISA KEV, consistent with its moderate 5.7 CVSS score.
Out-of-bounds read in the Windows NTFS kernel driver (ntfs.sys) exposes kernel or process memory to a locally authenticated low-privilege attacker across a wide range of Windows client and server releases, from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. The vulnerability (CWE-125) is triggered locally without requiring user interaction, and the CVSS vector confirms confidentiality impact is high while integrity and availability are unaffected. No public exploit has been identified at time of analysis, and Microsoft has released patched builds via its cumulative update channel.
Privilege escalation via out-of-bounds read in the Windows USB Mass Storage Class Driver affects virtually every supported Windows release, from Server 2012 through Windows 11 26H1. An attacker with physical access to the target machine can connect a specially crafted USB storage device to trigger the kernel-mode memory flaw, potentially achieving complete system compromise (C:H/I:H/A:H per CVSS). No public exploit has been identified at time of analysis, and Microsoft has released patches covering all affected version branches.
Privilege escalation to SYSTEM in the Windows USB Audio Class driver (usbaudio.sys) is achievable by an attacker with physical device access who connects a specially crafted USB audio device. The integer overflow in the driver's input-handling logic produces an undersized heap allocation, enabling a subsequent heap-based buffer overflow (CWE-122) that corrupts kernel memory and permits arbitrary code execution at elevated privilege. The vulnerability spans a wide swath of supported Windows releases - from Windows 10 1809 through Windows 11 25H2 and Windows Server 2019/2022/2025 - making the patch surface broad. No public exploit code has been identified at time of analysis and the CVE is not listed in CISA KEV.
Out-of-bounds read in the Windows kernel-mode USB driver stack allows a locally authenticated low-privilege attacker to disclose arbitrary kernel memory contents on virtually every supported Windows release from Server 2012 through Windows 11 26H1. The CVSS 5.5 vector (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N) reflects straightforward local exploitation with high confidentiality impact but no integrity or availability loss. No public exploit or CISA KEV listing is identified at time of analysis; a vendor-released patch is available from Microsoft.
Tampering via NTFS link-following in Windows 11 allows a local low-privileged attacker to overwrite or modify files they would not ordinarily have write access to. The vulnerability (CWE-59) is triggered when a privileged Windows component resolves a symlink or junction point created by the attacker, resulting in file access against an unintended target. No public exploit code has been identified at time of analysis, and Microsoft has released patches for all affected Windows 11 versions.
Sensitive kernel-level system information is exposed to an unauthorized control sphere in the Windows Kernel, enabling any low-privileged local user to read data they should not have access to - a classic KASLR-defeating information disclosure. The flaw (CWE-497) spans an exceptionally wide range of affected platforms, from Windows 10 Version 1607 and Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. No public exploit code or CISA KEV entry exists at time of analysis, but this class of kernel information disclosure is routinely chained with privilege-escalation exploits to defeat kernel address randomization.
Out-of-bounds read in Windows Spaceport.sys exposes adjacent kernel memory to locally authenticated, low-privilege users across a broad range of Windows 10, 11, and Server releases. The flaw is classified CWE-125 and carries a CVSS 5.5 with high confidentiality impact but no integrity or availability consequence, making it an information-disclosure primitive rather than a full code-execution path. Microsoft has released patches; no public exploit code or active exploitation has been confirmed at time of analysis.
Unthrottled resource allocation in the Windows SMB Server component (CWE-770) allows a low-privilege authenticated attacker to exhaust server resources over a network connection, causing a denial of service. Affected platforms span Windows 10 (21H2, 22H2), Windows 11 (23H2 through 26H1), Windows Server 2022, and Windows Server 2025 across both standard and Server Core installations. Microsoft has released patches for all affected builds; no public exploit code or CISA KEV listing has been identified at time of analysis.
Windows Management Instrumentation (WMI) across a wide range of Windows 10, 11, and Server editions returns uninitialized memory to authenticated remote callers (CWE-908), potentially exposing sensitive heap or stack contents from prior operations. The CVSS 3.1 vector (PR:L/UI:R) confirms exploitation requires a valid low-privileged Windows account plus some form of user interaction, which substantially limits automated or unauthenticated abuse. No public exploit code and no CISA KEV listing have been identified at time of analysis; a vendor-released patch is available.
Out-of-bounds read in the Windows Overlay Filter (WOF) kernel driver allows a locally authenticated low-privilege attacker to disclose kernel memory contents across virtually all supported Windows desktop and server releases, from Windows Server 2012 R2 through Windows 11 26H1 and Windows Server 2025. The flaw (CWE-125) requires no user interaction and carries high confidentiality impact, making it a viable KASLR-bypass or sensitive-data-leak primitive in a multi-stage local privilege escalation chain. No public exploit or CISA KEV listing has been identified at time of analysis, and Microsoft has released patches for all affected versions.
Local information disclosure in the Windows MIDI Service Module allows a low-privileged authenticated local user to read sensitive system information outside its intended authorization boundary. Affecting Windows 11 versions 24H2, 25H2, and 26H1, the flaw (CWE-497) enables an attacker already present on the system to extract data that should be inaccessible to their privilege level. Microsoft has released patches for all three affected branches; no public exploit code or active exploitation has been identified.
Out-of-bounds read in Windows Imaging Component (WIC) allows a locally authenticated attacker with standard user-level privileges to read memory contents beyond allocated buffer boundaries, disclosing potentially sensitive in-process data. The vulnerability affects an exceptionally wide range of Windows releases, from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025, confirmed by EUVD/NVD version data and reported directly by Microsoft MSRC. Microsoft has released targeted patches per platform build; no public exploit code has been identified and the CVE is not listed in the CISA KEV catalog at time of analysis.
Windows License Manager on multiple Windows 10, 11, and Server editions exposes sensitive system licensing data to locally authenticated low-privileged users due to CWE-497 (Exposure of Sensitive System Information to an Unauthorized Control Sphere). An attacker with an existing local session can read confidential licensing information — such as activation data, product identifiers, or licensing metadata — without authorization. No public exploit code and no CISA KEV listing have been identified; vendor patches are available for all affected versions, reducing urgency for patched environments.
Microsoft COM for Windows leaks sensitive information through error messages on a wide range of Windows 10, Windows 11, and Windows Server versions, allowing a locally authenticated attacker with standard user privileges to read high-confidentiality data. The flaw is rooted in CWE-209 (error message content exposure), where COM subsystem error paths disclose internal state that should not be visible to unprivileged callers. No public exploit or active exploitation has been identified at time of analysis, and Microsoft has released patches addressing all affected builds.
Windows GDI+ (Graphics Device Interface Plus) fails to initialize a resource before use (CWE-908), allowing a local low-privileged attacker to read residual memory contents and disclose potentially sensitive information from the affected system. The flaw spans virtually every supported Windows release - from Server 2012 through Windows 11 26H1 and Server 2025 - making it one of the broadest-footprint components affected. No public exploit code has been identified at time of analysis, and the vulnerability is not listed in CISA's KEV catalog.
Out-of-bounds read in the Windows USB Audio Class driver (usbaudio.sys) allows a local low-privileged attacker to disclose kernel-mode memory contents. The vulnerability spans a wide swath of Windows releases - from Windows 10 1607 and Windows Server 2012 through Windows 11 26H1 and Windows Server 2025 - making patch surface operationally broad. Microsoft has released fixes via the standard update channel; no public exploit code and no active exploitation have been confirmed at time of analysis.
Local information disclosure in the Windows Connected User Experiences and Telemetry (DiagTrack) service allows a low-privileged authenticated local attacker to read sensitive data outside their authorized security scope. The CVSS scope-change metric (S:C) indicates the exposed data originates from a security domain beyond the telemetry component itself - likely higher-privileged OS subsystem data. Affecting Windows 10, Windows 11, and Windows Server 2019/2022/2025 across all mainstream support channels, Microsoft has released patches via the standard Patch Tuesday cadence. No public exploit identified at time of analysis.
Denial-of-service in Windows iSCSI via an out-of-bounds read (CWE-125) allows an unauthenticated network attacker to crash the affected service, rendering iSCSI storage targets or initiators unavailable. The vulnerability affects an exceptionally broad swath of Microsoft Windows - from Windows Server 2012 through Server 2025 and Windows 10/11 across all major release channels. User interaction is required per the CVSS vector (UI:R), meaning exploitation likely requires a user to initiate or process a malformed iSCSI exchange. No public exploit code or CISA KEV listing has been identified at time of analysis; vendor-released patches are available.
Use-after-free in the Windows Network Connection Broker service allows a local authenticated attacker to read stale heap memory, disclosing potentially sensitive information. The vulnerability spans every supported Windows client and server release from Windows 10 1607 and Windows Server 2016 through Windows 11 25H2 and Windows Server 2025, making the exposed surface extremely broad. Microsoft has shipped patched cumulative updates for all affected SKUs; no public exploit code or active exploitation has been identified at time of analysis.
Out-of-bounds read in the Windows Program Compatibility Assistant (PCA) Service exposes high-confidence memory contents to authenticated network attackers across a broad swath of Windows 10, 11, and Windows Server releases. The flaw (CWE-125) allows a low-privileged user who triggers the right interaction to cause the service to read beyond a buffer boundary, leaking memory over the network with no integrity or availability impact. No public exploit code or CISA KEV listing has been identified at time of analysis, and Microsoft has released patches for all affected versions.
Sensitive information disclosure in the Windows Program Compatibility Assistant (PCA) Service allows a locally authenticated attacker with standard user privileges to read sensitive data written to log files. Affected systems include Windows 11 versions 23H2 through 26H1 and Windows Server 2025 in both full and Server Core configurations. No public exploit code or active exploitation has been identified at time of analysis, and vendor-released patches are available via Microsoft's update guide.
Buffer over-read in the Windows NTFS filesystem driver allows a local low-privileged authenticated attacker to disclose sensitive information from kernel or process memory without modifying system state. The CVSS vector (AV:L/AC:L/PR:L/UI:N) confirms this is a local, low-complexity attack requiring only standard user privileges. No active exploitation has been observed (not in CISA KEV), and no public proof-of-concept exploit is identified at time of analysis. Microsoft has released patches covering the full range of affected Windows client and server versions.
Out-of-bounds read in the Windows Bluetooth Port Driver (bthport.sys) allows a local, low-privileged authenticated attacker to disclose kernel memory contents under high-complexity conditions. Affected platforms span Windows 10 (21H2/22H2), Windows 11 (23H2/24H2/25H2/26H1), Windows Server 2022, and Windows Server 2025 across specific build thresholds confirmed by EUVD version data. Microsoft has released patches; no public exploit code or CISA KEV listing is identified at time of analysis, constraining real-world risk to post-compromise or insider scenarios.
Information disclosure in the Windows MIDI Service Module affects Windows 11 versions 24H2, 25H2, and 26H1, allowing a locally authenticated low-privileged attacker to read sensitive system information that should remain within an authorized control sphere. The vulnerability (CWE-497) requires no user interaction and is limited to local attack vectors with no integrity or availability impact. Microsoft has released patches addressing all affected builds, and no public exploit or active exploitation has been identified at time of analysis.
Heap-based buffer overflow in the Windows NTFS kernel driver enables an unauthenticated attacker with physical access to execute arbitrary code at kernel privilege level. The vulnerability (CWE-122) affects virtually the entire Windows product family from Server 2012 through Windows 11 26H1 and Windows Server 2025, requiring no credentials or user interaction beyond physical presence at the target machine. No public exploit or active exploitation has been identified at time of analysis; Microsoft has released patches across all affected version branches.
Windows Defender Firewall Service on a broad range of Windows client and server editions exposes protected files or directories to low-privileged local attackers (CWE-552), enabling sensitive information disclosure. A local attacker holding a standard user account can access firewall service files - potentially including policy configuration, rule data, or service-level secrets - that should be restricted to privileged processes. Microsoft has released patches across the full affected version range; no public exploit has been identified at the time of analysis.
Symlink following in Windows UPnP Device Host (upnphost) allows a locally authenticated, low-privileged attacker to redirect the service's file access operations through crafted symbolic links or junctions, disclosing the contents of otherwise inaccessible files. The vulnerability spans an unusually wide set of affected Windows releases - from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025 - indicating a systemic deficiency in how the UPnP host service resolves paths before file access. Microsoft has released corrective patches; no public exploit code or CISA KEV listing has been identified at time of analysis.
Path traversal in Windows PowerShell (CWE-22) enables network-based security feature bypass across virtually all supported Windows releases, from Server 2012 through Windows Server 2025 and Windows 11 26H2. The flaw allows an unauthenticated remote attacker - contingent on user interaction - to write files outside a restricted directory, circumventing a Windows security boundary with high integrity impact and no direct confidentiality or availability consequence. No active exploitation is confirmed in CISA KEV and no public exploit code has been identified at time of analysis, though the broad affected surface across all major Windows versions warrants prompt patching.
Windows Management Services on Windows 11 contains an improper link resolution flaw (CWE-59) that allows an authenticated local attacker to crash or disable the service by planting a malicious symbolic link or directory junction at a file path the service accesses. Affected builds span Windows 11 versions 24H2, 25H2, and 26H1, with patched builds confirmed by Microsoft via MSRC. No active exploitation has been confirmed in CISA KEV, and no public exploit code has been identified at time of analysis.
Privilege escalation in Windows DNS affects a broad range of Windows 10, Windows 11, and Windows Server releases through a numeric truncation error (CWE-197) in the DNS component. An authorized local attacker already holding high-privilege credentials can exploit this flaw to achieve full compromise of confidentiality, integrity, and availability on the affected host. Microsoft has released patched builds across all affected version lines; no public exploit code exists and no active exploitation has been identified at time of analysis.
Privilege escalation in the Windows DNS service affects a broad range of Windows client and server versions from Windows Server 2012 through Windows Server 2025 and Windows 10/11 across all major feature releases. The vulnerability stems from a numeric truncation error (CWE-122, heap-based buffer overflow) that an already-privileged local attacker can trigger to gain elevated access beyond their current privilege level. No public exploit code and no CISA KEV listing are present at time of analysis, but Microsoft has released patches across all affected product lines.
Local privilege escalation in Windows DNS affects a broad range of Windows client and server operating systems, enabling an already-authenticated local attacker to gain elevated privileges on the target system. The CVSS vector (AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H) indicates the attacker requires high existing privileges - consistent with the description's reference to an 'authorized attacker' - yet can achieve full confidentiality, integrity, and availability impact post-exploitation. No public exploit code has been identified at time of analysis, and the vulnerability does not appear in the CISA KEV catalog; a vendor-released patch is available via Microsoft's Update Guide.
Information disclosure via a buffer over-read in the Windows SMB Client component affects a broad spectrum of Microsoft Windows desktop and server editions, from Windows Server 2012 through Windows 11 25H2. An attacker who controls a malicious SMB server and induces a target Windows user to connect to it can trigger the client to read beyond allocated memory buffer boundaries, leaking potentially sensitive process memory contents across the network. SSVC rates exploitation status as none and no public exploit code has been identified at time of analysis, though the high confidentiality impact (C:H) and the near-universal deployment footprint of the Windows SMB Client make this a meaningful routine patch priority.
Uncontrolled resource consumption in the Windows DHCP Client enables an unauthenticated attacker on the same network segment to crash or deny service to affected hosts without any user interaction. Affected platforms span Windows 11 (versions 24H2, 25H2, and 26H1) and Windows Server 2025, all in unpatched builds. No public exploit code or active exploitation (KEV) has been identified at time of analysis; a vendor-released patch is available via the Microsoft Security Response Center.
Out-of-bounds read in the Windows NTFS kernel driver (CWE-125) allows a low-privileged local attacker to disclose potentially sensitive kernel memory contents across a broad range of Windows 10, Windows 11, and Windows Server editions from Server 2012 through Server 2025. The CVSS vector confirms local-only exploitability with low privilege requirements and no user interaction needed, yielding high confidentiality impact but no integrity or availability consequence. No public exploit code and no CISA KEV listing have been identified at time of analysis; however, the breadth of affected versions across both consumer and enterprise Windows releases makes timely patching critical for any organization with a Windows estate.
Inadequate encryption strength in Windows Active Directory enables a low-privileged authenticated network attacker to bypass a security feature, resulting in a high-integrity impact. Affected platforms span Windows Server 2022, Windows Server 2025, and multiple Windows 11 release channels (23H2 through 26H1). No public exploit identified at time of analysis; SSVC assessment confirms no observed exploitation and the attack is not automatable, placing this in a lower operational urgency tier despite the high integrity impact rating.
Windows GDI (Graphics Device Interface) exposes an out-of-bounds read flaw exploitable by any locally authenticated, low-privileged user across a broad span of Windows releases - from Windows 10 Version 1607 and Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. Successful exploitation yields high-confidence memory disclosure (C:H per CVSS), enabling an attacker to read memory contents beyond the intended GDI buffer boundary, potentially exposing credentials, session material, or cryptographic data. No public exploit code or active exploitation has been identified at time of analysis; however, the low attack complexity and extremely wide platform coverage make this a high-priority routine patch-cycle item.
Out-of-bounds read in the Windows NTFS filesystem driver exposes kernel memory contents to local authenticated attackers across a wide range of Windows client and server releases, from Windows Server 2012 through Windows 11 26H1 and Server 2025. Exploitation requires only a low-privileged local account (CVSS PR:L, AV:L), yielding high confidentiality impact with no integrity or availability consequence. No public exploit code exists and SSVC exploitation status is confirmed 'none', though the broad platform footprint and low-privilege bar make this a meaningful patch priority for multi-user and shared-access environments.
Privilege escalation in Windows DNS across a wide range of Windows 10, Windows 11, and Windows Server releases exploits a numeric truncation error (CWE-122, heap-based buffer overflow) to allow an authorized local attacker with high privileges to fully compromise the vulnerable system. Affected builds span from Windows Server 2012 through Windows Server 2025 and Windows 11 26H1, with vendor-supplied patches now available from Microsoft MSRC. SSVC assessment confirms no current exploitation activity and the vulnerability is not automatable, though technical impact is rated total across confidentiality, integrity, and availability.
Privilege escalation in Windows DNS across a broad range of Microsoft Windows releases stems from a numeric truncation error (CWE-122) that produces a heap-based buffer overflow, enabling an already high-privileged local attacker to escalate further - likely to SYSTEM level. The vulnerability spans Windows Server 2012 through Server 2025 and Windows 10/11 consumer editions, representing a wide patching surface. No public exploit has been identified at time of analysis, and CISA SSVC confirms exploitation status as none with no automatable attack path, though technical impact is rated total.
Windows Win32K contains an untrusted pointer dereference (CWE-822) that allows a locally authenticated attacker to disclose sensitive kernel or process memory contents. Affected systems include multiple Windows 11 release branches (23H2, 24H2, 25H2, 26H1) and Windows Server 2025, both full and Server Core installations. No public exploit has been identified at time of analysis and exploitation has not been confirmed by CISA KEV; Microsoft has released patches addressing all affected build ranges.
Out-of-bounds read in the Windows NTFS driver exposes sensitive memory contents to locally authenticated attackers across a wide range of Microsoft Windows and Windows Server releases. The flaw (CWE-125) allows a low-privileged local user to read kernel or process memory beyond intended boundaries, resulting in information disclosure with high confidentiality impact but no integrity or availability consequences. No public exploit code has been identified at time of analysis, and CISA SSVC rates exploitation as none with partial technical impact.
Information disclosure in the Windows NTFS filesystem driver allows a local low-privileged attacker to read beyond buffer boundaries and expose sensitive memory contents. Affecting virtually every supported Windows desktop and server release - from Windows 10 1607 through Windows Server 2025 and Windows 11 26H1 - the vulnerability requires only a standard local user account and no special configuration, making it a realistic threat in multi-tenant, shared, or cloud environments where local access is granted to semi-trusted users. No public exploit code or active exploitation has been identified at time of analysis; Microsoft has released patches across all affected product lines.
Out-of-bounds read in the Windows Win32K kernel graphics subsystem allows any locally authenticated low-privilege user to disclose sensitive kernel memory contents without user interaction. The flaw spans an exceptionally broad range of affected Windows versions, from Server 2012 through Windows 11 25H2, significantly widening enterprise exposure. No active exploitation has been confirmed in CISA KEV and no public exploit has been identified at time of analysis, though kernel memory disclosure from Win32K is strategically valuable as a KASLR-bypass primitive in chained privilege escalation attacks.
Windows DNS Server on a broad range of Windows and Windows Server editions contains a heap-based buffer overflow rooted in a numeric truncation error, enabling an authorized local attacker with high-privilege access to escalate privileges on the affected system. Affected platforms span Windows Server 2012 through Server 2025 and Windows 10/11 across multiple feature versions, with Microsoft confirming full confidentiality, integrity, and availability impact upon successful exploitation. No public exploit code or active exploitation has been identified at time of analysis; SSVC classifies exploitation status as none and automatable as no, and Microsoft has released patches addressed in the MSRC advisory.