Windows Server Service Security Feature Bypass Vulnerability

published 2023-06-13 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-36309

cvss: 7.6; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 55%
public exploits: 0; none known

Patch / fix

fixed in 7 links 1

Microsoft Windows Server 2019 10.0.17763.4499
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.4499
Microsoft Windows Server 2022 10.0.20348.1787
Microsoft Windows Server 2016 10.0.14393.5989
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.5989
Microsoft Windows Server 2012 R2 6.3.9600.21013
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.21013

msrc.microsoft.com/update-guide/vulnerability/CVE-2023-32022 advisory

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-06-04)

Exploit prediction

0.77% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.6	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H/E:U/RL:O/RC:C
CNA	3.1	7.6	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H

Affected products

Microsoft Windows Server 2019
Microsoft Windows Server 2019 (Server Core installation)
Microsoft Windows Server 2022
Microsoft Windows Server 2016
Microsoft Windows Server 2016 (Server Core installation)
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2012 R2 (Server Core installation)

Classification

Weakness

CWE-285 Improper Authorization

References

msrc.microsoft.com /update-guide/vulnerability/CVE-2023-32022
vendor-advisory, mitigation, patch

Sources

CVE List CVE-2023-32022
NVD CVE-2023-32022

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary