CVSS 3.1
7.0 highCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:HCVE-2026-81389
High (7.0) in microsoft. EPSS 0.4% chance of exploitation in the next 30 days.
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Severity
- EPSS
- 0.4% chance of exploitation in the next 30 days; higher than 30% of CVEs (scores of 2026-10-31)
- CWE
- CWE-122
- Published
- Modified
- Record from
- the NVD, synced
Affected
- microsoft:365_apps
- microsoft:excel
- microsoft:microsoft_365
- microsoft:office_2016
- microsoft:office_2019
- microsoft:office_2021
- microsoft:office_2024