Skype for Business Elevation of Privilege Vulnerability
CVE-2023-41763

5.3MEDIUM

Key Information:

Vendor

Microsoft
Status
Skype For Business Server 2015 Cu13
Skype For Business Server 2019 Cu7
Vendor
CVE Published:
10 October 2023

Badges

👾 Exploit Exists🟣 EPSS 21%🦅 CISA Reported📰 News Worthy

What is CVE-2023-41763?

Skype for Business Elevation of Privilege Vulnerability

CISA has reported CVE-2023-41763

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed CVE-2023-41763 as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace

The CISA's recommendation is: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Affected Version(s)

Skype for Business Server 2015 CU13 Unknown 9319.0 < 6.0.9319.869

Skype for Business Server 2019 CU7 Unknown 2046.0 < 7.0.246.530

News Articles

favicon imageThe Record from Recorded Future News

CISA plans to share more information on ransomware actors in its exploited vulnerability alerts

The U.S.’s top cybersecurity agency said it plans to add a section dedicated to ransomware gangs to its list of vulnerabilities being exploited by hackers.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisory

EPSS Score

21% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 📰

    First article discovered by The Record from Recorded Future News

  • 👾

    Exploit known to exist

  • 🦅

    CISA Reported

  • Vulnerability published

  • Vulnerability Reserved

.