CVE-2026-85881
Microsoft Office Graphics Elevation of Privilege Vulnerability
Stack-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to elevate privileges over a network.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Microsoft Office Graphics Elevation of Privilege Vulnerability
Stack-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to elevate privileges over a network.
- Record
CVE-2026-85881- CVSS 3.1
- 8.0 High
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 - Weakness
- CWE-121
- Updated
- 2026-11-02
EUVDEUVD-2026-99574
Stack-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to elevate privileges over a network.
- Record
EUVD-2026-99574- CVSS 3.1
- 8.0 High
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-j3pf-m8p7-cgjj
Stack-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to...
Stack-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to elevate privileges over a network.
- Record
GHSA-j3pf-m8p7-cgjj- CVSS 3.1
- 8.0 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-121
- Updated
- 2026-11-02
NVD
Stack-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to elevate privileges over a network.
- Record
CVE-2026-85881- CVSS 3.1
- 8.0 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-121
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-85881 is a high vulnerability (CVSS 8.0) in Microsoft 365 Copilot, published October 13, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.68%, the 52nd percentile. No source names a fixed version.