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CVE-2023-41763: Microsoft Skype for Business Privilege Escalation Vulnerability

criticalknown exploitedpublic exploitCVE-2023-41763
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Microsoft Skype for Business contains an unspecified vulnerability that allows for privilege escalation.

CSIRTS triage

vendor: Microsoftproduct: Skype for BusinessPrivilege escalation
What
Microsoft Skype for Business contains an unspecified vulnerability that allows for privilege escalation.
Who is affected
Deployments of Microsoft Skype for Business.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Apply the latest security updates to address this vulnerability.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2023-10-10
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2023-41763

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2023-41763coverage & exploitation statusNVD · CVE.org

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