Heap-based Buffer Overflow in Windows Graphics Kernel by Microsoft
CVE-2026-95922

7HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft Office 365 For Mac
Microsoft Office For Android
Microsoft Office Ltsc For Mac 2021
Microsoft Office Ltsc For Mac 2024
Vendor
CVE Published:
10 November 2026

What is CVE-2026-95922?

A heap-based buffer overflow vulnerability in the Windows Graphics Kernel can be exploited by an authenticated attacker to elevate privileges on the affected system. Successful exploitation may allow the attacker to execute arbitrary code with elevated privileges, potentially leading to compromised system integrity. Users are urged to apply the security updates provided by Microsoft to mitigate any potential risks associated with this vulnerability.

Affected Version(s)

Microsoft Office 365 for Mac 1.0.0 < 16.115.26110837

Microsoft Office for Android 16.0.1 < 16.0.20625.20014

Microsoft Office LTSC for Mac 2021 16.0.1 < 16.115.26110837

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisorypatch

CVSS V3.1

Score:
7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.