HIGH Published October 13, 2026

CVE-2026-85881

Stack-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to elevate privileges over a network.

CVSS base score

8.0 (v3.1)

Severity

HIGH

Attack vector

Network

Weakness

CWE-121

Last modified

October 29, 2026

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Affected products

microsoft 365 copilot

View full NVD advisory →

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