CVE-2026-85881: Microsoft Office Graphics Elevation of Privilege Vulnerability

Overview

Severity
High (CVSS 8)
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Category
Elevation of Privilege
Exploit Status
Not Exploited
Exploitation Likelihood
Unlikely
Patch Tuesday
2026-Oct
Released
2026-10-13

Description

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

FAQ

According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do? An attacker must send a user a malicious Office file and convince them to open it. What privileges could be gained by an attacker who successfully exploited this vulnerability? An attacker who successfully exploited the vulnerability could execute code in the kernel.

Affected Products (1)

Microsoft Office

  • Microsoft Office for Android

Security Updates (1)

Acknowledgments

esakis

Revision History

  • 2026-10-13: Information published.