Information Disclosure Vulnerability in Windows Graphics Kernel by Microsoft
CVE-2026-88217

5.5MEDIUM

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-2026-88217?

The Windows Graphics Kernel contains a vulnerability that could allow an authorized attacker to access sensitive information by exploiting an uninitialized resource. This flaw might let an attacker retrieve confidential data from the system's memory, posing a risk to user privacy and security. Users are advised to apply the latest security updates to mitigate potential threats.

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:
5.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.