CVE-2026-78512
Numeric truncation error in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
Scoring
- Severity
- HIGH
- CVSS base score
- 8.8
- CVSS vector
- 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 probability
- 0.82%
- CWE
- CWE-197, CWE-122
- Published
- 2026-09-08
- Last modified
- 2026-09-10
Affected products
- Microsoft Microsoft 365 Apps for Enterprise
- Microsoft Microsoft Office 2016
- Microsoft Microsoft Office 2019
- Microsoft Microsoft Office 365 for Mac
- Microsoft Microsoft Office LTSC 2021
- Microsoft Microsoft Office LTSC 2024
- Microsoft Microsoft Office LTSC for Mac 2021
- Microsoft Microsoft Office LTSC for Mac 2024
Weakness type
Related vulnerabilities
- CVE-2026-87529 — Numeric truncation error in Media in Google Chrome prior to 153.0.8010.36 allowed a remote attacker...
- CVE-2026-69535 — Windows Spaceport.sys Elevation of Privilege Vulnerability
- CVE-2026-69512 — Windows Spaceport.sys Elevation of Privilege Vulnerability
- CVE-2026-69578 — Windows Kernel Elevation of Privilege Vulnerability
- CVE-2026-68895 — Internet Storage Name Service Information Disclosure Vulnerability
- CVE-2026-68880 — Windows Win32k Elevation of Privilege Vulnerability
- CVE-2026-69822 — Windows Kerberos Elevation of Privilege Vulnerability
- CVE-2026-86315 — An out-of-bounds write caused by numeric truncation Samsung Open Source Escargot on Linux x86-64...