CVE-2026-85881

Analyzed Analyzed - Analysis Complete

Microsoft Graphics Component Stack-Based Buffer Overflow

Publication date: 2026-10-13

Last updated on: 2026-10-29

Assigner: Microsoft Corporation

Description

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

CVSS Scores

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Meta Information

Published

2026-10-13

Last Modified

2026-10-29

Generated

2026-11-08

AI Q&A

2026-10-14

EPSS Evaluated

2026-11-07

NVD

CVE-2026-85881

EUVD

EUVD-2026-99574

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	365_copilot	From 16.0.16026.20172 (inc) to 16.0.20430.20000 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-121	A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

Attack-Flow Graph

Executive Summary

This is a stack-based buffer overflow in Microsoft's Graphics Component. It allows an authorized attacker to elevate their privileges over a network by exploiting a flaw in how the component handles memory.

Impact Analysis

An attacker could gain higher privileges on your system, potentially allowing them to install programs, view or delete data, or create new accounts with full user rights.

Mitigation Strategies

Apply the latest security updates from Microsoft to patch the stack-based buffer overflow in the Microsoft Graphics Component. Monitor Microsoft's official update guide for patches and install them promptly.

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