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CVE-2026-45599 Jun 09, 17:17 HIGH PATCH Exploit Unlikely This Week

Remote code execution in the Windows Universal Plug and Play service (upnp.dll) allows unauthenticated network attackers to execute arbitrary code by triggering a use-after-free condition. The flaw carries a CVSS 3.1 base score of 8.1, lowered by high attack complexity (AC:H) reflecting the race-condition or memory-state requirements typical of UAF bugs. No public exploit identified at time of analysis, and the CVE is not currently listed in CISA KEV; EPSS data was not provided in the input.

Denial Of Service Use After Free Memory Corruption Microsoft Windows 10 1607 +12
NVD VulDB
CVSS 3.1
8.1
EPSS
0.1%
CVE-2026-42987 Jun 09, 17:17 HIGH PATCH NEWS Exploit Unlikely This Week

Remote code execution in Microsoft Windows Deployment Services (WDS) allows unauthenticated network-based attackers to execute arbitrary code by exploiting a use-after-free memory corruption flaw (CWE-416). The CVSS 8.1 score reflects high impact on confidentiality, integrity, and availability, though exploit complexity is rated High. No public exploit identified at time of analysis, and SSVC marks exploitation status as none with the flaw classified as not automatable.

Denial Of Service Use After Free Memory Corruption Microsoft Windows Server 2012 +4
NVD VulDB
CVSS 3.1
8.1
EPSS
0.1%
CVE-2026-47930 Jun 09, 21:17 HIGH This Week

Security feature bypass in Adobe ColdFusion 2023.19, 2025.8 and earlier allows a low-privileged remote attacker to circumvent authentication controls and gain unauthorized read and write access to protected resources. The flaw stems from improper input validation (CWE-20) and is network-exploitable without user interaction, earning a CVSS 8.1 rating. No public exploit identified at time of analysis, but ColdFusion has a strong history of post-disclosure exploitation, making rapid patching essential.

Authentication Bypass Adobe Coldfusion
NVD VulDB
CVSS 3.1
8.1
EPSS
0.1%
CVE-2026-7383 Jun 09, 11:43 HIGH PATCH This Week

Heap buffer overflow in OpenSSL's ASN.1 multibyte string conversion routine allows remote attackers to corrupt memory and potentially achieve code execution against applications using affected OpenSSL versions prior to 4.0.1. The flaw was disclosed via the OpenSSL 4.0.1 security patch release alongside 17 other CVEs and is classified as a high-severity issue (CVSS 8.1) with no public exploit identified at time of analysis.

Buffer Overflow Memory Corruption OpenSSL
NVD GitHub VulDB
CVSS 3.1
8.1
EPSS
0.1%
CVE-2026-24065 Jun 09, 14:50 HIGH This Week

Local privilege escalation in Waves Central for macOS (13.0.9 through 16.5.5) allows an unprivileged local user to gain root code execution by exploiting a time-of-check/time-of-use race in the privileged helper's XPC client validation. The helper trusts the connecting process's PID to verify code-signing identity, but PID reuse permits an attacker-controlled process to masquerade as a legitimate Waves client. SSVC reports a public proof-of-concept exists; the issue is not listed in CISA KEV.

Privilege Escalation RCE Apple Waves Central
NVD VulDB
CVSS 3.1
8.1
EPSS
0.1%
CVE-2026-45649 Jun 09, 17:17 HIGH This Week

Local spoofing in Microsoft Office for Android lets an unauthorized attacker manipulate trust-affecting content or identity indicators after a user interacts with malicious input on the device. The CVSS 7.1 score reflects high confidentiality and integrity impact with no special privileges required, though the local attack vector and required user interaction limit remote exploitability. No public exploit identified at time of analysis and the issue is not on the CISA KEV list.

Authentication Bypass Google Microsoft Excel Powerpoint +1
NVD VulDB
CVSS 3.1
7.1
EPSS
0.1%
CVE-2026-9662 Jun 09, 03:41 HIGH This Week

Local File Inclusion in the Recover Exit For WooCommerce WordPress plugin (versions up to and including 1.0.3) allows remote unauthenticated attackers to include arbitrary local PHP files via the unsanitized `tpf` POST parameter passed to `include()` in the `recover_exit()` function. Successful exploitation can disclose sensitive files such as `wp-config.php` and, when combined with file upload primitives or log poisoning, escalate to remote code execution. No public exploit identified at time of analysis, though the vulnerable sink is documented in the plugin source on plugins.trac.wordpress.org.

PHP WordPress RCE Information Disclosure Path Traversal +3
NVD VulDB
CVSS 3.1
8.1
EPSS
0.0%
CVE-2026-36720 Jun 09, 00:00 HIGH This Week

Privilege escalation in BookCars v8.3 allows authenticated low-privileged users to elevate themselves to administrator by modifying their own user type attribute, due to missing server-side authorization checks. The flaw is documented in a public GitHub vulnerability writeup but is not listed in CISA KEV, and no public weaponized exploit has been catalogued at time of analysis. CVSS 8.1 reflects high confidentiality and integrity impact achievable over the network with only a standard user account.

Authentication Bypass N A
NVD GitHub
CVSS 3.1
8.1
EPSS
0.0%
CVE-2026-11689 Jun 09, 00:16 HIGH PATCH This Week

Site isolation bypass in Google Chrome's Passwords component prior to version 149.0.7827.103 allows a remote attacker who has already compromised the renderer process to escape cross-origin boundaries via a crafted HTML page. The flaw is rated High severity by Chromium with a CVSS 8.1 score, but EPSS exploitation probability is very low (0.02%, 6th percentile) and no public exploit identified at time of analysis. The vendor has shipped a fix in the stable channel.

Authentication Bypass Google
NVD VulDB
CVSS 3.1
8.1
EPSS
0.0%
CVE-2026-11693 Jun 09, 00:16 HIGH PATCH This Week

Site isolation bypass in Google Chrome versions prior to 149.0.7827.103 allows a remote attacker who has already compromised the renderer process to escape cross-origin boundaries via a crafted HTML page. The flaw is rated High severity by Chromium and carries a CVSS score of 8.1, though EPSS is very low at 0.02% and no public exploit identified at time of analysis. This is a second-stage vulnerability requiring prior renderer compromise, typically chained with a separate RCE in the renderer sandbox.

Authentication Bypass Google
NVD VulDB
CVSS 3.1
8.1
EPSS
0.0%
CVE-2026-42488 Jun 09, 13:17 HIGH PATCH This Week

Shadow paging error paths in Xen Hypervisor 4.15+ on x86 allow 64-bit PV guests operating in shadow mode to corrupt mapcache metadata by triggering a page-table switch that does not update the currently running vCPU reference. Successful exploitation by a guest can result in privilege escalation into the hypervisor, host-wide denial of service, and information leaks affecting all co-resident guests. No public exploit or active exploitation (CISA KEV) has been identified at time of analysis; vendor-released patches are available for all supported stable branches.

Buffer Overflow
NVD VulDB
CVSS 3.1
8.1
EPSS
0.4%
CVE-2026-34693 Jun 09, 17:13 HIGH This Week

Reflected Cross-Site Scripting in Adobe Experience Manager Forms JEE (LTS SP1 and 6.5.24.0 and earlier) allows remote unauthenticated attackers to execute arbitrary script in a victim's browser session, potentially hijacking accounts or escalating privileges within the AEM Forms environment. The Scope:Changed flag in the CVSS vector indicates the impact extends beyond the vulnerable component, which combined with High confidentiality and integrity impacts yields a CVSS of 8.0. No public exploit identified at time of analysis, and the issue is not currently listed in CISA KEV.

XSS Adobe Adobe Experience Manager Forms Jee
NVD VulDB
CVSS 3.1
8.0
EPSS
0.1%
CVE-2026-46332 Jun 09, 12:36 HIGH PATCH This Week

Buffer overflow in the Linux kernel's greybus gb-beagleplay driver allows an adjacent attacker with control over the cc1352 bootloader serial data stream to overflow the fixed rx_buffer used to stage bootloader packets. The cc1352_bootloader_rx() handler appends serdev chunks without validating they fit in remaining buffer space, enabling memory corruption with high confidentiality, integrity, and availability impact. No public exploit identified at time of analysis, and EPSS exploitation probability is very low at 0.02%.

Buffer Overflow Linux
NVD VulDB
CVSS 3.1
8.0
EPSS
0.0%
CVE-2026-48576 Jun 09, 17:17 HIGH PATCH Exploit Unlikely This Week

Security feature bypass in Windows Secure Boot allows a high-privileged local attacker to circumvent the boot integrity protection mechanism, undermining trust in the Windows boot chain. The flaw (CWE-1329, reliance on a component that is not updateable) carries a CVSS 7.9 rating due to scope change and high impact on confidentiality and integrity, and no public exploit has been identified at time of analysis. Successful exploitation could enable pre-OS persistence such as bootkits, defeating a foundational Windows security control.

Authentication Bypass Microsoft Windows 10 1607 Windows 10 1809 Windows 10 21h2 +10
NVD VulDB
CVSS 3.1
7.9
EPSS
0.3%
CVE-2026-48573 Jun 09, 17:17 HIGH PATCH Exploit Unlikely This Week

Secure Boot bypass in Microsoft Windows allows an authorized local attacker with high privileges to defeat the platform's protection mechanism and tamper with the pre-OS boot chain. The CVSS 7.9 score reflects a scope-changing impact on confidentiality and integrity from a local vector, and no public exploit identified at time of analysis. The single MSRC reference indicates a Microsoft-tracked issue that primarily threatens code-integrity and boot-trust guarantees rather than runtime availability.

Authentication Bypass Microsoft Windows 10 1607 Windows 10 1809 Windows 10 21h2 +10
NVD VulDB
CVSS 3.1
7.9
EPSS
0.3%
CVE-2026-48575 Jun 09, 17:17 HIGH PATCH Exploit Unlikely This Week

Secure Boot bypass in Windows allows a local attacker with high privileges to defeat the platform's boot-time integrity protection mechanism, breaking the chain of trust that prevents unauthorized bootloaders and pre-OS code from executing. The flaw (CWE-693, Protection Mechanism Failure) carries a CVSS 7.9 due to scope change and high confidentiality/integrity impact, and no public exploit identified at time of analysis. Successful exploitation undermines a foundational anti-tamper control and can enable persistent pre-OS implants such as bootkits.

Authentication Bypass Microsoft Windows 10 1607 Windows 10 1809 Windows 10 21h2 +10
NVD VulDB
CVSS 3.1
7.9
EPSS
0.1%
CVE-2026-48570 Jun 09, 17:17 HIGH PATCH Exploit Unlikely This Week

Secure Boot bypass in Microsoft Windows allows an authorized local attacker with high privileges to defeat the firmware-level boot integrity protection, breaking the chain of trust intended to prevent unauthorized boot-time code. The CVSS 7.9 rating with scope change (S:C) indicates the bypass affects components beyond the initially compromised context, enabling pre-OS persistence. There is no public exploit identified at time of analysis and the issue is not listed in CISA KEV.

Authentication Bypass Microsoft Windows 10 1607 Windows 10 1809 Windows 10 21h2 +10
NVD VulDB
CVSS 3.1
7.9
EPSS
0.1%
CVE-2026-48568 Jun 09, 17:17 HIGH PATCH Exploit Unlikely This Week

Security feature bypass in Microsoft Windows Secure Boot allows a local attacker with high privileges to defeat the platform's boot-time integrity protections, achieving cross-scope confidentiality and integrity impact on the host. The flaw is tracked under CWE-693 (Protection Mechanism Failure) and carries a CVSS 3.1 base score of 7.9 with no public exploit identified at time of analysis. Because the scope is Changed (S:C), successful exploitation lets the attacker influence components outside the originally vulnerable security boundary - typically the trusted boot chain itself.

Authentication Bypass Microsoft Windows 10 1607 Windows 10 1809 Windows 10 21h2 +10
NVD VulDB
CVSS 3.1
7.9
EPSS
0.1%
CVE-2026-47656 Jun 09, 17:17 HIGH PATCH Exploit Unlikely This Week

Security feature bypass in Microsoft Windows Boot Manager enables an authorized local attacker with high privileges to defeat a protection mechanism during the boot process, with scope change extending impact beyond the initial security boundary. The flaw carries a CVSS 7.9 rating reflecting high confidentiality and integrity impact, and no public exploit identified at time of analysis. The scope-changed nature suggests the bypass undermines a trust boundary such as Secure Boot or BitLocker pre-boot integrity.

Authentication Bypass Microsoft Windows 10 1607 Windows 10 1809 Windows 10 21h2 +10
NVD VulDB
CVSS 3.1
7.9
EPSS
0.1%
CVE-2026-45588 Jun 09, 17:17 HIGH PATCH Exploit Unlikely This Week

Security feature bypass in Windows Secure Boot enables a high-privileged local attacker to circumvent boot-time integrity protections, undermining the chain of trust that prevents unauthorized firmware and bootloader code from executing. The flaw (CWE-693, Protection Mechanism Failure) carries a CVSS 7.9 rating driven by scope change and high confidentiality/integrity impact, and no public exploit identified at time of analysis. Because Secure Boot is the foundation for downstream protections like BitLocker, Virtualization-Based Security, and Measured Boot, bypass enables persistent pre-OS implants that survive reimaging.

Authentication Bypass Microsoft Windows 10 1607 Windows 10 1809 Windows 10 21h2 +10
NVD VulDB
CVSS 3.1
7.9
EPSS
0.1%
CVE-2026-48578 Jun 09, 17:17 HIGH PATCH Exploit Unlikely This Week

Security feature bypass in Windows Secure Boot enables a local high-privileged attacker to defeat the platform's boot-time integrity protections, achieving high confidentiality and integrity impact across a changed security scope. The flaw stems from a protection mechanism failure (CWE-284, Improper Access Control) that undermines the trust boundary Secure Boot is designed to enforce. At the time of analysis, no public exploit has been identified and the issue is not listed in CISA KEV, but the scope-changed CVSS of 7.9 reflects the severity of subverting a root-of-trust security control.

Authentication Bypass Microsoft Windows 10 1607 Windows 10 1809 Windows 10 21h2 +10
NVD VulDB
CVSS 3.1
7.9
EPSS
0.1%
CVE-2026-45654 Jun 09, 17:17 HIGH PATCH Exploit Unlikely This Week

Secure Boot bypass on Microsoft Windows allows an authorized local attacker with high privileges to defeat a platform integrity protection mechanism, leading to compromise of confidentiality and integrity outside the original security boundary. The scope-changed CVSS 7.9 rating reflects that successful exploitation breaks out of the Secure Boot trust domain, though no public exploit is identified at time of analysis and the issue is not listed in CISA KEV. Microsoft (secure@microsoft.com) issued the advisory via MSRC, and the weakness is classified as improper access control (CWE-284).

Authentication Bypass Microsoft Windows 11 24h2 Windows 11 25h2 Windows 11 26h1 +1
NVD VulDB
CVSS 3.1
7.9
EPSS
0.1%
CVE-2026-42487 Jun 09, 13:04 HIGH PATCH This Week

Unsynchronized traversal of HVM I/O port translation linked lists in the Xen hypervisor on x86 systems exposes a race condition exploitable by a compromised or malicious device model. The hypervisor manages I/O port translations via a linked list modified by the device model through XEN_DOMCTL_ioport_mapping; because traversal of that list during I/O port handling was never synchronized against concurrent modifications, a racing update can corrupt traversal state. The resulting hypervisor crash causes a Denial of Service of the entire host, with privilege escalation and information leakage explicitly acknowledged as non-ruled-out consequences - all without any active CISA KEV listing or public exploit identified at time of analysis.

Information Disclosure Race Condition
NVD VulDB
CVSS 3.1
7.9
EPSS
0.1%
CVE-2026-44823 Jun 09, 17:17 HIGH PATCH Exploit Unlikely This Week

Local code execution in Microsoft Office Excel stems from an integer underflow that, when triggered by opening a crafted spreadsheet, allows an attacker to run arbitrary code in the context of the current user. The CVSS 3.1 vector (AV:L/AC:L/PR:N/UI:R) confirms exploitation requires the victim to open a malicious file, and there is no public exploit identified at time of analysis. With a base score of 7.8 and full confidentiality, integrity, and availability impact, successful exploitation effectively gives the attacker the victim's privileges on the host.

Authentication Bypass Microsoft 365 Apps Excel Office Online Server +4
NVD VulDB
CVSS 3.1
7.8
EPSS
0.2%
CVE-2026-45641 Jun 09, 17:17 HIGH PATCH NEWS Exploit Unlikely This Week

Local code execution in Microsoft Windows Hyper-V allows an authenticated attacker on a guest or host to escape sandbox boundaries by triggering an out-of-bounds read condition (CWE-843, type confusion) in the hypervisor. The flaw affects Windows 10 (21H2/22H2), Windows 11 (23H2/24H2/25H2/26H1), and Windows Server 2022/2025, with a vendor-released patch available and no public exploit identified at time of analysis. EPSS scoring of 0.15% and SSVC exploitation status of 'none' suggest limited near-term exploitation likelihood despite total technical impact potential.

Buffer Overflow Memory Corruption Microsoft Windows 10 21h2 Windows 10 22h2 +6
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-45600 Jun 09, 17:17 HIGH PATCH This Week

Local privilege escalation in Microsoft Windows Kernel-Mode Drivers allows an authenticated low-privileged user to elevate to SYSTEM via a type confusion (CWE-843) flaw. The vulnerability carries a CVSS 7.8 (High) with low attack complexity and no user interaction once local access is obtained, though no public exploit identified at time of analysis. Reported by Microsoft's MSRC, this fits the recurring pattern of Windows kernel driver EoP bugs frequently abused in post-compromise stages.

Information Disclosure Memory Corruption Microsoft Windows 11 24h2 Windows 11 25h2 +2
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-44817 Jun 09, 17:17 HIGH PATCH This Week

Local code execution in Microsoft Office Excel arises from an integer underflow condition that corrupts memory when a malicious spreadsheet is opened. The flaw requires user interaction (UI:R) to trigger but needs no prior authentication, enabling attackers to run arbitrary code in the security context of the victim user. At the time of analysis, no public exploit identified at time of analysis and the issue is not listed in CISA KEV.

Authentication Bypass Memory Corruption Microsoft 365 Apps Excel +5
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-40409 Jun 09, 17:17 HIGH PATCH Exploit Unlikely This Week

Elevation of privilege in the Microsoft Windows Universal Disk Format File System (UDFS) driver allows a local authenticated attacker to escalate to SYSTEM-level privileges with high impact on confidentiality, integrity, and availability. The CVSS 7.8 vector indicates local attack with low complexity and low privileges required, and no public exploit identified at time of analysis. The vulnerability stems from a numeric truncation error (CWE-197) in kernel-mode file system code, a class historically favored by post-compromise privilege escalation chains.

Information Disclosure Microsoft Windows 10 1607 Windows 10 1809 Windows 10 21h2 +10
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-40404 Jun 09, 17:17 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Microsoft Windows Universal Disk Format File System (UDFS) driver allows an authenticated low-privileged user to gain SYSTEM-level code execution by triggering a heap-based buffer overflow (CWE-122). The flaw affects Windows endpoints where the UDFS kernel driver parses attacker-controlled UDF-formatted media (typically optical discs or mounted disc images). No public exploit identified at time of analysis and the issue is not currently listed on CISA KEV.

Buffer Overflow Heap Overflow Microsoft Windows 10 1607 Windows 10 1809 +11
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-33828 Jun 09, 17:17 HIGH PATCH NEWS This Week

Local privilege escalation in Microsoft Windows Attestation allows an authenticated local user with low privileges to gain elevated permissions on the host through a trust boundary violation (CWE-501). The flaw is rated CVSS 7.8 with high impact across confidentiality, integrity, and availability, and there is no public exploit identified at time of analysis. The issue is tagged as Information Disclosure by the reporter, but the CVSS vector indicates full system compromise potential once exploited.

Information Disclosure Microsoft Windows 10 1607 Windows 10 1809 Windows 10 21h2 +9
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-48565 Jun 09, 17:17 HIGH Exploit Unlikely This Week

Local privilege escalation in Windows Narrator Braille component allows an authenticated low-privileged user to gain elevated privileges by exploiting an untrusted search path (CWE-426). The flaw affects the accessibility subsystem on Windows and was reported directly by Microsoft (secure@microsoft.com); no public exploit identified at time of analysis. With CVSS 7.8 and full CIA impact on the local host, successful exploitation grants the attacker code execution at a higher privilege context than they started with.

Information Disclosure Microsoft Windows Narrator Braille
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-45636 Jun 09, 17:17 HIGH PATCH Exploit Unlikely This Week

Local code execution in Windows NTFS allows an unauthorized attacker to run arbitrary code on the target system by triggering a heap-based buffer overflow, with no public exploit identified at time of analysis. The CVSS 7.8 rating reflects high impact across confidentiality, integrity, and availability, but exploitation requires local vector and user interaction. Microsoft (secure@microsoft.com) is the assigning CNA, indicating a first-party vendor advisory via MSRC.

Buffer Overflow Microsoft Windows 10 1607 Windows 10 1809 Windows 10 21h2 +10
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-45586 Jun 09, 17:17 HIGH PATCH Exploit Likely This Week

Local privilege escalation in Windows Collaborative Translation Framework permits an authorized low-privileged user to gain elevated rights on affected Windows systems by abusing improper symbolic link resolution before file access. The flaw yields high confidentiality, integrity, and availability impact (CVSS 7.8) but requires existing local access. No public exploit identified at time of analysis and the issue is not listed in CISA KEV.

Information Disclosure Microsoft Windows 10 1607 Windows 10 1809 Windows 10 21h2 +10
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-42980 Jun 09, 17:17 HIGH PATCH Exploit Likely This Week

Local privilege escalation in the Windows NT OS Kernel allows an authenticated low-privileged attacker to elevate to SYSTEM by triggering an integer underflow condition. With a CVSS of 7.8 and no public exploit identified at time of analysis, this issue is primarily a post-compromise escalation vector commonly chained after initial access via phishing or commodity malware. Microsoft has released a patch through MSRC, and given Windows kernel EoP bugs are frequently weaponized by ransomware and APT actors historically, prompt patching is warranted despite the absence of confirmed in-the-wild exploitation.

Buffer Overflow Heap Overflow Microsoft Windows 10 1607 Windows 10 1809 +11
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-45469 Jun 09, 17:17 HIGH PATCH Exploit Unlikely This Week

Local code execution in Microsoft Office Excel results from an integer underflow (CWE-122 heap-based) that allows an unauthorized attacker to run arbitrary code in the context of the user opening a crafted spreadsheet. The CVSS 7.8 score reflects local attack vector with required user interaction, and no public exploit identified at time of analysis. Microsoft (secure@microsoft.com) is the originating CNA, and the issue is tagged as a buffer/heap overflow class flaw.

Buffer Overflow Heap Overflow Microsoft 365 Apps Excel +5
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-50511 Jun 09, 17:37 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in Microsoft PC Manager allows an authenticated low-privileged user on Windows to gain higher privileges by abusing symbolic link or junction resolution before file access. No public exploit identified at time of analysis, and the flaw is not listed in CISA KEV, but the high CVSS (7.8) reflects full confidentiality, integrity, and availability impact once exploited. Microsoft has issued a fix through its Security Response Center advisory.

Information Disclosure Microsoft Microsoft Pc Manager
NVD
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-42989 Jun 09, 17:17 HIGH PATCH Exploit Likely This Week

Local privilege escalation in Microsoft Winlogon allows authenticated low-privileged users to gain elevated (SYSTEM-level) privileges by abusing improper link resolution before file access. The flaw is rooted in CWE-59 (link following) within the Windows logon component, and while no public exploit has been identified at time of analysis, the CVSS 7.8 rating reflects the high impact to confidentiality, integrity, and availability once a local attacker has a foothold. Microsoft has released a patch via the MSRC advisory.

Information Disclosure Microsoft Windows 10 1607 Windows 10 1809 Windows 10 21h2 +10
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-44811 Jun 09, 17:17 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Windows Desktop Window Manager (DWM) Core Library allows an authenticated low-privileged user to elevate to higher privileges on the host by triggering a use-after-free condition. The flaw was reported by Microsoft (MSRC) and carries a CVSS 7.8 with no public exploit identified at time of analysis. EPSS data was not provided and the issue is not currently listed in CISA KEV.

Denial Of Service Microsoft Windows 11 26h1
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-45593 Jun 09, 17:17 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in Microsoft Windows SDK enables an authenticated low-privileged attacker to elevate to higher privileges by exploiting a use-after-free memory corruption flaw. The CVSS 7.8 (AV:L/AC:L/PR:L) profile reflects local attack with low complexity and low privileges required, yielding full confidentiality, integrity, and availability impact. No public exploit identified at time of analysis and the vulnerability is not currently listed in CISA KEV.

Denial Of Service Integer Overflow Microsoft Windows 10 1809 Windows 10 21h2 +8
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-45592 Jun 09, 17:17 HIGH PATCH This Week

Local privilege escalation in Microsoft Windows Internet (wininet.dll) allows an authenticated low-privileged attacker to elevate to higher privileges by triggering an integer overflow condition. With a CVSS score of 7.8 and full impact on confidentiality, integrity, and availability, this flaw represents a meaningful post-compromise risk on affected Windows systems, though no public exploit identified at time of analysis. The vulnerability has been reported by Microsoft's own security team (secure@microsoft.com), indicating internal discovery and coordinated disclosure.

Buffer Overflow Integer Overflow Microsoft Windows 10 1607 Windows 10 1809 +11
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-42916 Jun 09, 17:17 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Windows NT OS Kernel allows an authenticated low-privileged user to elevate to higher privileges through an integer underflow condition. The flaw carries a CVSS 7.8 (High) rating with no public exploit identified at time of analysis, but Microsoft has issued a patch via MSRC. Defenders should treat this as a standard Patch-Tuesday-class kernel EoP that becomes a critical post-compromise pivot once initial access is achieved.

Information Disclosure Integer Overflow Microsoft Windows 10 1607 Windows 10 1809 +11
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-42986 Jun 09, 17:17 HIGH PATCH Exploit Likely This Week

Local privilege escalation in the Microsoft Graphics Component allows an authenticated low-privileged attacker to gain elevated rights via a use-after-free memory corruption flaw (CWE-416). The issue carries a CVSS 7.8 (High) rating with full confidentiality, integrity, and availability impact on the affected host. No public exploit identified at time of analysis, and the vulnerability is not currently listed in CISA KEV.

Denial Of Service Use After Free Memory Corruption Microsoft Windows 10 1607 +12
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-42905 Jun 09, 17:17 HIGH PATCH Exploit Likely This Week

Local privilege escalation in the Windows Desktop Window Manager (DWM) Core Library enables an authorized low-privilege user to elevate to higher privileges via a use-after-free condition. The flaw carries a CVSS 7.8 (High) and no public exploit identified at time of analysis, though Microsoft has acknowledged the issue through MSRC. Successful exploitation grants full confidentiality, integrity, and availability impact on the affected host.

Denial Of Service Use After Free Memory Corruption Microsoft Windows 10 1607 +12
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-48574 Jun 09, 17:17 HIGH PATCH NEWS Exploit Unlikely This Week

Local code execution in Microsoft Windows Media is possible through a heap-based buffer overflow that triggers when a user opens or processes a crafted media file. The flaw (CWE-122) carries a CVSS 7.8 with local attack vector and user interaction required, and no public exploit identified at time of analysis. Successful exploitation yields high impact to confidentiality, integrity, and availability within the user's security context.

Buffer Overflow Heap Overflow Microsoft Windows 10 1607 Windows 10 1809 +11
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-45645 Jun 09, 17:17 HIGH PATCH Exploit Unlikely This Week

Local code execution in Microsoft Office is possible through a heap-based buffer overflow (CWE-822) that triggers when a user opens a maliciously crafted document. The CVSS 7.8 vector (AV:L/AC:L/PR:N/UI:R) reflects a classic client-side file-format attack requiring user interaction but no prior authentication, yielding full confidentiality, integrity, and availability impact on the targeted workstation. There is no public exploit identified at time of analysis and the CVE is not listed in CISA KEV, but Office document parsers are historically high-value targets and the vulnerability was reported by Microsoft's own MSRC team.

Buffer Overflow Microsoft 365 Apps Microsoft 365 Office 2021 +3
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-44820 Jun 09, 17:17 HIGH PATCH Exploit Unlikely This Week

Local code execution in Microsoft Office Excel stems from an integer underflow condition that can be triggered when a victim opens a malicious spreadsheet, leading to out-of-bounds memory access (CWE-125). The flaw requires user interaction but no prior authentication on the target, and no public exploit identified at time of analysis. With a CVSS of 7.8 (high) and the typical phishing-friendly delivery model of Office files, this fits the profile of a document-based client-side RCE primitive.

Buffer Overflow Information Disclosure Microsoft 365 Apps Excel +5
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-45656 Jun 09, 17:17 HIGH PATCH Exploit Unlikely This Week

Security feature bypass in Windows UEFI allows an authenticated local attacker with low privileges to circumvent a protection mechanism, resulting in high confidentiality, integrity, and availability impact on the host. The flaw is rooted in CWE-693 (Protection Mechanism Failure) within the Windows UEFI firmware layer, and Microsoft (secure@microsoft.com) is the reporting CNA. No public exploit identified at time of analysis, and the issue is not currently listed in CISA KEV.

Authentication Bypass Microsoft Windows 10 1607 Windows 10 1809 Windows 10 21h2 +10
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-48583 Jun 09, 17:17 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in Microsoft Windows Kernel allows an authenticated low-privileged user to elevate to SYSTEM by triggering a use-after-free condition (CWE-416). The flaw carries a CVSS 7.8 score with local attack vector and low privileges required, and no public exploit has been identified at time of analysis. Microsoft Security Response Center (MSRC) is the sole referenced authoritative source, indicating this is a vendor-discovered and vendor-tracked issue.

Denial Of Service Use After Free Memory Corruption Microsoft Windows 10 1607 +11
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-45638 Jun 09, 17:17 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Windows Ancillary Function Driver (AFD.sys) for WinSock allows an authenticated low-privileged user to gain SYSTEM-level access through a use-after-free condition. The flaw was reported by Microsoft (MSRC) and carries a CVSS 7.8 score with high impact across confidentiality, integrity, and availability. No public exploit identified at time of analysis, though the AFD.sys driver has a long history of similar bugs being weaponized post-disclosure.

Buffer Overflow Denial Of Service Heap Overflow Microsoft Windows 10 1607 +12
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-45637 Jun 09, 17:17 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in Microsoft Windows Desktop Window Manager (DWM) Core Library enables an authorized low-privileged user to gain elevated privileges through a use-after-free memory corruption flaw. The vulnerability carries a CVSS 3.1 score of 7.8 with high impact on confidentiality, integrity, and availability, and no public exploit identified at time of analysis. Exploitation requires the attacker to already have local code execution as a standard user, making it a strong candidate for post-compromise chaining toward SYSTEM-level access.

Denial Of Service Use After Free Memory Corruption Microsoft Windows 10 1809 +9
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
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