CVE-2023-41763
KEVMicrosoft Skype for Business Privilege Escalation Vulnerability
Description
Microsoft Skype for Business contains an unspecified vulnerability that allows for privilege escalation.
Skype for Business Elevation of Privilege Vulnerability
CVSS 3.1 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NPublishedOct 10, 2023
Last modifiedJun 17, 2026
Added to KEVOct 10, 2023
Remediation dueOct 31, 2023
References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2023-41763PatchVendor Advisory
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-41763US Government Resource
0 recent articles mention this CVE
66
Risk assessment · High
Actively exploited. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 1092 days
- CVSS
- 5.3 MEDIUM
- EPSS (30-day exploit probability)
- 90.5% · top 1% of all CVEs
- Weakness
- CWE-918
- Attack vector
- Network, remotely reachable
- Preconditions
- No privileges and no user interaction
Recommended actions
- 1.Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
- 4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.