Cyber Resilience

CVE-2023-28293

HighPublic PoC

Published: 11 April 2023

Published
11 April 2023
Modified
01 January 2025
KEV Added
Patch
CVSS Score v3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0872 92.7th percentile
Risk Priority 21 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-28293 is a high-severity Wrap or Wraparound (CWE-191) vulnerability in Microsoft Windows Server 2008. Its CVSS base score is 7.8 (High).

Operationally, ranked in the top 7.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

Deeper analysis

CVE-2023-28293 is a Windows Kernel Elevation of Privilege Vulnerability affecting the Windows kernel component on supported versions of the operating system. It carries a CVSS 3.1 base score of 7.8 and is associated with CWE-191.

An attacker with existing local access and low privileges can exploit the flaw without user interaction to escalate rights, resulting in high impacts to confidentiality, integrity, and availability on the affected system.

Microsoft's security update guide lists patches that address the vulnerability and should be applied according to standard deployment processes. A public exploit targeting Windows 11 22H2 has been posted to Packet Storm.

The associated EPSS score sits at 0.0872 with no material rise from its recorded peak.

EU & UK References

Vulnerability details

Windows Kernel Elevation of Privilege Vulnerability

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

microsoft
windows 10 1607
≤ 10.0.14393.5850
microsoft
windows 10 1809
≤ 10.0.17763.4252
microsoft
windows 10 20h2
≤ 10.0.19042.2846
microsoft
windows 10 21h2
≤ 10.0.19044.2846
microsoft
windows 10 22h2
≤ 10.0.19045.2846
microsoft
windows 11 21h2
≤ 10.0.22621.1555
microsoft
windows 11 22h2
≤ 10.0.22621.1555
microsoft
windows server 2008
all versions, r2
microsoft
windows server 2012
all versions, r2
microsoft
windows server 2016
all versions
+2 more product configuration(s) — see NVD for full list

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References