CVE-2022-26911
Published: 15 April 2022
Summary
CVE-2022-26911 is a medium-severity an unspecified weakness vulnerability in Microsoft Skype For Business Server. Its CVSS base score is 6.5 (Medium).
Operationally, ranked in the top 4.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2022-26911 is an information disclosure vulnerability affecting Skype for Business. The flaw carries a CVSS 3.1 base score of 6.5 with a network attack vector, low attack complexity, and low privileges required, resulting in high impact to confidentiality while leaving integrity and availability unaffected.
An authenticated attacker with low privileges can exploit the issue remotely over the network without user interaction to obtain sensitive information that would otherwise be restricted.
Microsoft Security Response Center advisories at the referenced URLs describe available updates and mitigation guidance for the affected Skype for Business components.
The associated EPSS score has remained flat at 0.1991 with no material rise after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-31457
Vulnerability details
Skype for Business Information Disclosure Vulnerability
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.