Office

Unsafe pointer dereference in Microsoft Office, SharePoint Server, and 365 Apps enables local code execution with high privileges on affected systems. An attacker with local access can exploit this memory safety flaw to achieve complete system compromise including data theft and modification. No patch is currently available, leaving users vulnerable until Microsoft releases a security update.

Microsoft Excel and Office products are vulnerable to local code execution through unsafe pointer dereferencing, requiring user interaction to trigger. An attacker with local access can exploit this flaw to achieve arbitrary code execution with full system privileges. No patch is currently available, leaving users of affected Office versions at risk.

Arbitrary code execution in Microsoft Office Excel and related products (Office Online Server, 365 Apps) via out-of-bounds memory read allows local attackers to achieve complete system compromise without requiring user interaction or elevated privileges. This high-severity vulnerability affects multiple Microsoft Office components and currently lacks a security patch. An attacker with local access can exploit memory corruption to execute malicious code with full system permissions.

Heap buffer overflow in Microsoft Office Excel enables local code execution with high integrity and confidentiality impact affecting Office, Office Online Server, and 365 Apps. An attacker with user interaction can achieve arbitrary code execution in the context of the affected application. No patch is currently available for this vulnerability.

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. [CVSS 7.8 HIGH]

Microsoft Outlook's unsafe deserialization of untrusted data enables remote attackers to spoof messages and identities without authentication over the network. This vulnerability affects Outlook, Word, and Microsoft 365 Apps, allowing attackers to impersonate legitimate senders and deceive users. No patch is currently available, making this a high-risk threat requiring immediate defensive measures.

Information disclosure in Microsoft Office Excel and related products results from an out-of-bounds read vulnerability that requires local access and user interaction to exploit. An attacker can leverage this flaw to read sensitive data from memory on an affected system. No patch is currently available for this vulnerability affecting Office Long Term Servicing Channel, 365 Apps, and Office Online Server.

Information disclosure in Microsoft Outlook, SharePoint Server, Office, and 365 Apps enables remote attackers to conduct email spoofing attacks without authentication or user interaction. The vulnerability affects multiple Microsoft collaboration products and could allow threat actors to impersonate legitimate senders to compromise organizational security. No patch is currently available for this high-severity issue.

Privilege escalation in Microsoft Office Excel (including 365 Apps and Long Term Servicing Channel) via heap-based buffer overflow allows local attackers with user interaction to gain elevated system privileges. The vulnerability affects multiple Office product lines and currently lacks a security patch. With a CVSS score of 7.8, this poses a significant risk to organizations using affected Excel versions.

Information disclosure in Microsoft Excel allows local attackers with user interaction to read sensitive data through improper input validation in Office 365 Apps and Long Term Servicing Channel. An attacker must socially engineer a user into opening a specially crafted file to trigger the vulnerability. No patch is currently available for this medium-severity issue.

Microsoft Office contains a security feature bypass (CVE-2026-21509, CVSS 7.8) where reliance on untrusted inputs in security decisions allows local attackers to bypass protections designed to prevent execution of malicious content. KEV-listed with EPSS 9.3%, this vulnerability enables attackers to circumvent Office security features like Protected View or macro restrictions through crafted documents.

Arbitrary code execution in Microsoft Office Excel results from an integer underflow vulnerability in the Long Term Servicing Channel and Online Server editions, exploitable by local attackers with user interaction. This HIGH severity flaw (CVSS 7.8) grants full system compromise capabilities including code execution, data theft, and service disruption with no available patch.

Arbitrary code execution in Microsoft Excel through unsafe pointer handling enables local attackers to achieve full system compromise without requiring elevated privileges. This vulnerability affects Microsoft 365 Apps, Office, Office Online Server, and Office Long Term Servicing Channel across multiple versions. No patch is currently available, leaving affected systems vulnerable to exploitation via maliciously crafted spreadsheets.

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. [CVSS 8.4 HIGH]

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. [CVSS 8.4 HIGH]

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. [CVSS 7.8 HIGH]

Local code execution in Microsoft Office Word (including 365 Apps and SharePoint Server) results from unsafe pointer dereferencing that can be triggered by user interaction with a malicious document. An attacker with local access can exploit this vulnerability to execute arbitrary code with the privileges of the affected user. No patch is currently available for this vulnerability.

Local code execution in Microsoft Office Excel occurs through an out-of-bounds memory read vulnerability affecting the Long Term Servicing Channel, Office 365 Apps, and standalone Office installations. An attacker with local access and user interaction can exploit this flaw to achieve arbitrary code execution with full system privileges. No patch is currently available for this high-severity vulnerability.

Untrusted search path in Microsoft Office allows an unauthorized attacker to execute code locally. [CVSS 7.0 HIGH]

Local code execution in Microsoft Office (365 Apps, Office 2016/2019, and Office LTSC 2021 across Windows, macOS, and Android) stems from a use-after-free memory corruption flaw tracked as CVE-2025-62557. An attacker who entices a user to open a crafted document can achieve arbitrary code execution with the privileges of the current user, with no public exploit identified at time of analysis. The CVSS 8.4 rating reflects high impact across confidentiality, integrity, and availability despite the local attack vector.

Local code execution in Microsoft Office (365 Apps, Office 2016/2019, Office LTSC 2021, and Office for Android/macOS) stems from a type confusion flaw (CWE-843) that lets an attacker run arbitrary code in the context of the current user. Despite PR:N/UI:N in the CVSS vector, the AV:L attack vector means the attacker must deliver a malicious document to be opened on the target host. No public exploit has been identified at time of analysis and the CVE is not on the CISA KEV list.

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally. Rated high severity (CVSS 7.1), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally. Rated high severity (CVSS 7.1), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Exposure of sensitive information to an unauthorized actor in Microsoft Office Excel allows an unauthorized attacker to disclose information locally. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Local code execution in Microsoft Office (including 365 Apps Enterprise, Office 2016/2019, and Office LTSC 2021 across Windows, macOS, and Android) is possible when a victim opens a maliciously crafted document that triggers a use-after-free condition. An unauthorized attacker who convinces a user to open the file can execute arbitrary code in the context of the current user, with no public exploit identified at time of analysis. CVSS is 7.8 reflecting local attack vector with required user interaction but full confidentiality, integrity, and availability impact.

Local code execution in Microsoft Office (including Microsoft 365 Apps Enterprise, Office 2016/2019, and Office LTSC 2021 across Windows x86/x64, macOS, and Android) arises from a use-after-free memory corruption (CWE-416) that an attacker can trigger by convincing a user to open a crafted document. Exploitation runs in the context of the current user with high impact on confidentiality, integrity, and availability. No public exploit identified at time of analysis and the issue is not currently listed in CISA KEV.

Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 8.4), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Heap-based buffer overflow in Microsoft Office Visio allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Free of memory not on the heap in Microsoft Office allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to disclose information locally. Rated high severity (CVSS 7.1), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Free of memory not on the heap in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Use of uninitialized resource in Windows Imaging Component allows an unauthorized attacker to disclose information locally. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code over a network. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 8.4), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Buffer over-read in Microsoft Office Word allows an unauthorized attacker to disclose information locally. Rated medium severity (CVSS 6.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Use after free in Microsoft Office Visio allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Incorrect conversion between numeric types in Microsoft Office Word allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 8.4), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 8.4), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Use after free in Microsoft Office Visio allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locally.

Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

Deserialization of untrusted data in Microsoft Office allows an unauthorized attacker to elevate privileges locally.

Use-after-free vulnerability in Microsoft Office PowerPoint that allows an unauthenticated local attacker to execute arbitrary code with high integrity and confidentiality impact. The vulnerability requires user interaction (opening a malicious PowerPoint file) but no elevated privileges, making it accessible to standard user accounts. With a CVSS score of 7.8 and local attack vector, this represents a moderate-to-high severity risk for organizations where PowerPoint is widely deployed.

CVE-2025-47173 is an improper input validation vulnerability in Microsoft Office that allows local code execution without requiring user privileges, though user interaction is needed. An attacker with local access can craft a malicious Office document that, when opened by a user, executes arbitrary code with the privileges of the affected Office application. This vulnerability affects Microsoft Office products across multiple versions and poses a moderate-to-high risk given its local attack vector and high impact on confidentiality, integrity, and availability.

Improper input validation in Microsoft Office Outlook allows an authorized attacker to execute code locally.

Heap-based buffer overflow vulnerability in Microsoft Office Word that allows local, unauthenticated attackers to execute arbitrary code with high impact on confidentiality, integrity, and availability. The vulnerability requires user interaction (opening a malicious document) but no elevated privileges, making it a significant local code execution threat affecting Word users who open untrusted documents.

Use-after-free vulnerability in Microsoft Office Word that allows local, unauthenticated attackers to execute arbitrary code with high severity (CVSS 7.8). The vulnerability requires user interaction (opening a malicious document) but grants complete system compromise through code execution. This is a memory safety issue (CWE-416) in Word's document processing engine that could be actively exploited if public POC becomes available.

Use-after-free vulnerability in Microsoft Office Excel that allows local code execution with high severity (CVSS 7.8). An attacker with local access can trigger the vulnerability through user interaction (opening a malicious file) to execute arbitrary code with the privileges of the Excel process, potentially achieving full system compromise. No KEV status, active exploitation data, or public POC availability was confirmed in the provided dataset, but the high CVSS score and local attack vector indicate this requires prompt patching.

Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 8.4), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Heap-based buffer overflow in Windows Win32K - GRFX allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 8.4), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Release of invalid pointer or reference in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 8.4), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Incomplete list of disallowed inputs in Microsoft Office OneNote allows an unauthorized attacker to bypass a security feature locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Improper input validation in Microsoft Office Word allows an unauthorized attacker to bypass a security feature over a network. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Use after free in Microsoft Office allows an authorized attacker to elevate privileges locally. Rated high severity (CVSS 7.3), this vulnerability is low attack complexity. No vendor patch available.