VulnerabilityAnalyzed
CVE-2025-21259
Microsoft Outlook Spoofing Vulnerability
MEDIUM 5.3EPSS 1.16%
Does this matter?
Lower severity and a low EPSS score (1.16%). Track it; it rarely justifies an emergency change on its own.
Description
Microsoft Outlook Spoofing Vulnerability
- CVSS 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- EPSS
- 1.16% probability · 65th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-451
- Affected
- microsoft/outlook
- Source
- secure@microsoft.com
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21259Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.