Windows DNS Server Remote Code Execution Vulnerability

published 2023-04-11 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-32015

cvss: 6.6; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.9%; EPSS 0.9% chance of exploitation in 30 days, percentile 58%
public exploits: 0; none known

Patch / fix

fixed in 14 links 1

Microsoft Windows Server 2019 10.0.17763.4252
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.4252
Microsoft Windows Server 2022 10.0.20348.1668
Microsoft Windows Server 2016 10.0.14393.5850
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.5850
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.22015
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.22015
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.22015
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.26466
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.26466
Microsoft Windows Server 2012 6.2.9200.24216
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.24216
Microsoft Windows Server 2012 R2 6.3.9600.20919
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.20919

msrc.microsoft.com/update-guide/vulnerability/CVE-2023-28308 advisory

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 2 y ago (2024-06-14)

Exploit prediction

0.85% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.6	CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CNA	3.1	6.6	CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/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 2008 Service Pack 2
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation)
Microsoft Windows Server 2008 Service Pack 2
Microsoft Windows Server 2008 R2 Service Pack 1
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation)
Microsoft Windows Server 2012
Microsoft Windows Server 2012 (Server Core installation)
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2012 R2 (Server Core installation)

Classification

Weakness

CWE-416 Use After Free
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization

References

msrc.microsoft.com /update-guide/vulnerability/CVE-2023-28308
vendor-advisory, patch

Sources

CVE List CVE-2023-28308
NVD CVE-2023-28308

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