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CVE-2026-85881

Microsoft Office Graphics Elevation of Privilege Vulnerability

HIGH
8
CVSS Score
Published: October 13, 2026 at 07:00 PM UTC
Updated: October 31, 2026 at 06:05 PM UTC
2 products affected across 1 vendor365 CopilotOffice

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Severity
HIGH8
Exploit prediction
EPSS 0.7%
SSVC
No known exploit

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

365 Copilot· Microsoft
95%
16.0.16026.20172 ≤ v < 16.0.20430.20000
Office· Microsoft
90%
16.0.1

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor AdvisoryPatch
Source: cverecord
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85881

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-121

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