CVE-2026-65669: Microsoft SQL Server Management Studio 22

Microsoft SQL Server Elevation of Privilege Vulnerability

CVSS 9.6 CriticalCriticalEPSS 0.0086 · 59th percentile

Critical, because:

CVSS score 9.6: 9.0 or more.

Published by the CVE Program (CNA: microsoft) at 8 Sept 2026, 17:13 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	SQL Server Management Studio 22	affected 22.0 to before 22.8.2 custom

Identifiers

CVE-2026-65669

CNA

microsoft

Weakness (CWE)

CWE-74

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Microsoft SQL Server Management Studio 22, versions 22.0 before 22.8.2, contains an injection flaw in which output is not properly neutralized before a downstream component uses it. An unauthorized attacker on the network can exploit this to elevate privileges. The source gives few details about the attack conditions. Upgrade to version 22.8.2 or later; no workaround is listed.

Written 10 Nov 2026.

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
9.6	Critical	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C	CNA (microsoft)

CISA KEV Not listed.
EPSS 0.0086, the 59th percentile, on 11 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

8 Sept 2026, 17:13 UTC Confirmed by the CVE List
31 Oct 2026, 16:20 UTC First seen by agentprime

Sources

References from the CNA

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65669 vendor-advisorypatch

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.