CVE-2023-29324
Published: 09 May 2023
Summary
CVE-2023-29324 is a medium-severity External Control of File Name or Path (CWE-73) vulnerability in Microsoft Windows Server 2008. Its CVSS base score is 6.5 (Medium).
Operationally, ranked in the top 16.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2023-29324 is a security feature bypass vulnerability in the Windows MSHTML Platform. It carries a CVSS 3.1 base score of 6.5 and is associated with CWE-73. The flaw resides in the platform component responsible for rendering and handling HTML content within Windows.
An unauthenticated attacker can exploit the issue over the network with low complexity and without user interaction. Successful exploitation permits partial bypass of security protections, resulting in limited integrity and availability impacts while leaving confidentiality unaffected.
Microsoft has published remediation guidance for the vulnerability through its Security Response Center at the listed MSRC advisory URL. The associated EPSS score rose from a low baseline to a peak of 0.1162 on 2025-01-22 before receding to the current value of 0.0187, indicating a period of increased exploitation interest after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-32899
Vulnerability details
Windows MSHTML Platform Security Feature Bypass Vulnerability
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Rejects externally supplied file or resource identifiers that fail validity checks.