Vulnerability in Microsoft Lync Server
CVE-2022-26911
Skype for Business Information Disclosure Vulnerability
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.036 (89.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.036 · newest: 0.036 · change: 0.000
Affected products
- Microsoft Lync Server — versions 2013
- Microsoft Lync Server 2013 Cu10 — versions 8308.0
- Microsoft Skype For Business Server — versions 2015, 2019
- Microsoft Skype For Business Server 2015 Cu12 — versions 9319.0
- Microsoft Skype For Business Server 2019 Cu6 — versions 2046.0
Public proof-of-concept exploits
References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26911 (vendor-advisory)
Frequently asked questions
- What is CVE-2022-26911?
- CVE-2022-26911 is a medium-severity vulnerability in Microsoft Lync Server. CVSS score: 6.5/10. Published 2022-04-15.
- How severe is CVE-2022-26911?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2022-26911 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.