HIGHCVE-2026-42831Published Modified CNA microsoft
CVE-2026-42831: Microsoft Office Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Metrics
- CVSS v3.1
- 7.8
- Severity
- HIGH
- Fixed in
- 16.0.19822.20190
- Affected Products
- 3
Fix available
16.0.19822.2019016.109.26051019
Patch commits
Affected packages
- Microsoft / Microsoft Office for Android< 16.0.19822.20190 (from 16.0.1)
- Microsoft / Microsoft Office LTSC for Mac 2021< 16.109.26051019 (from 16.0.1)
- Microsoft / Microsoft Office LTSC for Mac 2024< 16.109.26051019 (from 16.0.0)
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C