VulnerabilityModified
CVE-2021-26421
Skype for Business and Lync Spoofing Vulnerability
MEDIUM 6.5EPSS 1.41%
Does this matter?
Lower severity and a low EPSS score (1.41%). Track it; it rarely justifies an emergency change on its own.
Description
Skype for Business and Lync Spoofing Vulnerability
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:L/A:N
- EPSS
- 1.41% probability · 71th percentile
- CISA KEV
- Not listed
- Affected
- microsoft/lync server · microsoft/skype for business server
- Source
- secure@microsoft.com
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26421Patch, Vendor Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26421Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.