Dashboard / CVE-2026-81955

CVE-2026-81955

HIGH
MEDIUM Priority: 0.07 BB Relevance: 68/100
Published: 2026-09-08 Modified: 2026-10-30 First seen: 2026-10-30 Status: active

Attack Surface

Network Low Complexity No Auth Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: Required
S: Unchanged
C: High
I: High
A: High

Description

Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network.

Weakness Classification (1)

Affected Software (28)

VendorProductVersion
Microsoft Microsoft 365 Apps for Enterprise 16.0.1 < 16.0.20326.20138
Microsoft Microsoft Office 2016 16.0.0 < 16.0.5569.1003
Microsoft Microsoft Office 2019 19.0.0 < 16.0.10417.20207
Microsoft Microsoft Office 365 for Mac 1.0.0 < 16.113.26091433
Microsoft Microsoft Office LTSC 2021 16.0.1 < 16.0.14334.20906
Microsoft Microsoft Office LTSC 2024 16.0.0 < 16.0.17932.20976
Microsoft Microsoft Office LTSC for Mac 2021 16.0.1 < 16.113.26091433
Microsoft Microsoft Office LTSC for Mac 2024 16.0.0 < 16.113.26091433
Microsoft Windows 10 Version 1607 10.0.14393.0 < 10.0.14393.9504
Microsoft Windows 10 Version 1809 10.0.17763.0 < 10.0.17763.9245
Microsoft Windows 10 Version 21H2 10.0.19044.0 < 10.0.19044.7725
Microsoft Windows 10 Version 22H2 10.0.19045.0 < 10.0.19045.7725
Microsoft Windows 11 Version 23H2 10.0.22631.0 < 10.0.22631.7582
Microsoft Windows 11 Version 24H2 10.0.26100.0 < 10.0.26100.9445
Microsoft Windows 11 Version 25H2 10.0.26200.0 < 10.0.26200.9445
Microsoft Windows 11 version 23H2 10.0.22631.0 < 10.0.22631.7582
Microsoft Windows 11 version 26H1 10.0.28000.0 < 10.0.28000.2954
Microsoft Windows Server 2012 6.2.9200.0 < 6.2.9200.26349
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 < 6.2.9200.26349
Microsoft Windows Server 2012 R2 6.3.9600.0 < 6.3.9600.23398
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 < 6.3.9600.23398
Microsoft Windows Server 2016 10.0.14393.0 < 10.0.14393.9504
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 < 10.0.14393.9504
Microsoft Windows Server 2019 10.0.17763.0 < 10.0.17763.9245
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 < 10.0.17763.9245
Microsoft Windows Server 2022 10.0.20348.0 < 10.0.20348.5622
Microsoft Windows Server 2025 10.0.26100.0 < 10.0.26100.33438
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 < 10.0.26100.33438

References & Advisories (1)

Bug Bounty Relevance

68 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity

CVSS Score

8.8 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

EPSS — Exploitation Probability

0.84%
Raw Score 0.008370
Percentile 57.7%
Date 2026-10-30

Intelligence Sources

mitre ref →

External Links