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CVE-2023-41763

Skype for Business Elevation of Privilege Vulnerability

Medium5.3Known exploitedEPSS 90.3%
Published
Updated
Reserved
Assigned by
microsoft

Description

Skype for Business Elevation of Privilege Vulnerability

Exploited in the wild

CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Microsoft Skype for Business Privilege Escalation Vulnerability.

Added
10 Oct 2023
Fix due (US federal)
31 Oct 2023
Used by ransomware
Not known

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Scores

CVSS scores of CVE-2023-41763, by who scored it
Scored byCVSSScoreVector
microsoftCNA (assigner)3.1Medium5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C
NVDNVD · Analyzed3.1Medium5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS (exploitation in 30 days)
90.3% · top 0.2% of all CVEs (6 Nov 2026)
CISA SSVC
Exploitation: active · Automatable: yes · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.

Weakness

Affected products

References (2)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2023-41763 badge
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Record last updated .