CVE-2023-29363
CWE-122Published: June 14, 2023· Updated: Jun 17, 2026
Official Description
Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability
Risk Analysis
A critical remote code execution flaw exists in the Windows Pragmatic General Multicast (PGM) component. The 9.8 CVSS score highlights the urgency of addressing this vulnerability on affected systems.
No public exploit is known, and it is not in the CISA KEV. The vulnerability is remotely exploitable.
Ensure all affected Windows 10 systems are updated with the latest security patches from Microsoft.
Technical Analysis
CVE-2023-29363 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-122)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-29363 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts