The vulnerability of Microsoft Office packages and 365 Apps for Enterprise lies in the use of memory after it is freed, allowing an attacker to execute arbitrary code.

The vulnerability of Microsoft Office packages and 365 Apps for Enterprise lies in the use of memory after it is freed. Exploiting this vulnerability can allow an attacker to execute arbitrary code...

EUVD-2026-52536

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network...

PT-2026-67554

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network...

KLA91186 ACE vulnerability in Microsoft Office

Arbitrary code execution vulnerability was found in Microsoft Office. Malicious users can exploit this vulnerability to execute arbitrary code. Original advisories CVE-2026-62870 Exploitation CVE list CVE-2026-62870 critical KB list 5002886 Solution Install necessary updates from the KB section,...

Vulnerabilities of Microsoft Office, Excel, and 365 Apps for Enterprise packages, as well as Microsoft Office Online Server, allow attackers to disclose protected information.

The vulnerability of Microsoft Office, Excel, and 365 Apps for Enterprise programs, as well as Microsoft Office Online Server, is related to reading data beyond the allowed range in memory. Exploiting this vulnerability can allow an attacker to disclose sensitive information that is protected by...

VulnCheck KEV: CVE-2026-50522

Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network...

Security Updates for Microsoft Office Products C2R (July 2026)

The Microsoft Office Products are missing security updates. It is, therefore, affected by multiple vulnerabilities: - Out-of-bounds read in Microsoft Office allows an unauthorized attacker to execute code locally. CVE-2026-55045 - Use after free in Microsoft Office allows an unauthorized attacker...

EUVD-2026-44043

Missing authentication for critical function in Microsoft Office SharePoint allows an unauthorized attacker to elevate privileges over a network...

EUVD-2026-43767

Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network...

CVE-2026-56192

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

CVE-2026-56195

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

CVE-2026-55949

Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

CVE-2026-55947

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

CVE-2026-55898

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

CVE-2026-55140

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

CVE-2026-55139

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

CVE-2026-55138

Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to disclose information locally...

CVE-2026-55133

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

CVE-2026-55129

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

CVE-2026-55131

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