CVE-2023-36789 Skype for Business Remote Code Execution Vulnerability
Attackers can execute arbitrary code on Skype for Business Server, requiring immediate patching by administrators.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-36789?
CVE-2023-36789 is a high-severity code injection vulnerability in Microsoft Skype for Business Server 2015 CU13, published on 10 Oct 2023. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Skype for Business Remote Code Execution Vulnerability
Weakness: CWE-94
Which versions are affected by CVE-2023-36789?
It affects 1 product.
Products include Microsoft Skype for Business Server.
How do I fix CVE-2023-36789?
No fix has been published for CVE-2023-36789 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2023-36789 being exploited?
There is no known exploitation of CVE-2023-36789 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Skype for Business Server 2015 CU13
- CVE-2023-41763 Microsoft Skype for Business Privilege Escalation
- CVE-2026-66302 Skype for Business Remote Code Execution Vulnerability
- CVE-2026-69646 Skype for Business Spoofing Vulnerability
- CVE-2026-66304 Skype for Business Information Disclosure Vulnerability
- CVE-2026-66307 Skype for Business and Lync Denial of Service Vulnerability
Sources
Also known as GHSA-4m7g-cm2c-xffg.