VulnerabilityAnalyzed
CVE-2026-66806
Off-by-one error in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
MEDIUM 5.5EPSS 0.31%
Does this matter?
Lower severity and a low EPSS score (0.31%). Track it; it rarely justifies an emergency change on its own.
Description
Off-by-one error in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.31% probability · 23th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125, CWE-193
- Affected
- microsoft/365 apps · microsoft/office 2019 · microsoft/office 2021 · microsoft/office 2024 · microsoft/word
- Source
- secure@microsoft.com
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.