CVE-2023-29363
Published: 14 June 2023
Summary
CVE-2023-29363 is a critical-severity Heap-based Buffer Overflow (CWE-122) vulnerability in Microsoft Windows 10 1809. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 9.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2023-29363 is a remote code execution vulnerability in the Windows Pragmatic General Multicast (PGM) component. It carries a CVSS 3.1 score of 9.8 and is associated with CWE-122. The flaw permits unauthenticated network-based attacks that can result in complete confidentiality, integrity, and availability impacts on affected Windows systems.
An attacker can exploit the vulnerability over the network without credentials or user interaction to execute arbitrary code with the privileges of the vulnerable process, enabling full system compromise.
Microsoft security advisories addressing the issue are published at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29363. The EPSS score for this CVE has remained low, moving only from 0.0556 to a peak of 0.0586.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-32936
Vulnerability details
Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.