CVSS 3.1
5.5 mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NCVE-2026-66810
Medium (5.5) in microsoft. EPSS 0.4% chance of exploitation in the next 30 days.
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
Severity
- EPSS
- 0.4% chance of exploitation in the next 30 days; higher than 37% of CVEs (scores of 2026-10-31)
- CWE
- CWE-122
- Published
- Modified
- Record from
- the NVD, synced
Affected
- microsoft:365_apps
- microsoft:microsoft_365
- microsoft:office_2019
- microsoft:office_2021
- microsoft:office_2024
- microsoft:word