CVE record · CVE-2023-36789

Skype for Business Remote Code Execution Vulnerability

CVSS 7.2 HighEPSS 0.025 · 85th percentile

Published by the CVE Program (CNA: microsoft) at 10 Oct 2023, 17:08 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Microsoft	Skype for Business Server 2019 CU7	affected 2046.0 to before 7.0.246.530 custom
Microsoft	Skype for Business Server 2015 CU13	affected 9319.0 to before 6.0.9319.869 custom

Identifiers: CVE-2023-36789
CNA: microsoft
Weakness (CWE): CWE-94
Tags: Microsoft Skype for Business Server 2019 CU7
Microsoft Skype for Business Server 2015 CU13
Code injection
Published: 10 Oct 2023
Updated: 14 Apr 2025

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
7.2	High	3.1	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C	CNA (microsoft)

CISA KEV Not listed.
EPSS 0.025, the 85th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 10 Oct 2023. New records show when each source confirmed them.

Sources

References from the CNA

msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36789 vendor-advisory

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.