7.8
High
CVE-2026-42831 Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally
Description
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Microsoft Office for Android 16.0 | 16.0.1 → < 16.0.19822.20190 | 16.0.19822.20190 |
| Microsoft Office LTSC for Mac 2021 16.0 | 16.0.1 → < 16.109.26051019 | 16.109.26051019 |
| Microsoft Office LTSC for Mac 2024 16.0 | 16.0.0 → < 16.109.26051019 | 16.109.26051019 |
References
- Microsoft Office Remote Code Execution Vulnerability msrc.microsoft.com
Timeline
- Published
- Last modified
Other CVEs of Microsoft Office for Android
The 58 CVEs of Microsoft Office for Android →
CVE-2026-85908
Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally
7.8
High
CVE-2026-83651
Out-of-bounds read in Windows GDI allows an unauthorized attacker to disclose information over a network
6.5
Medium
CVE-2026-70211
Out-of-bounds read in Windows Win32 Kernel Subsystem allows an authorized attacker to disclose information locally
5.5
Medium
CVE-2026-85881
Stack-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to elevate privileges over a…
8.0
High