CVE-2025-29967
Published: 13 May 2025
Summary
CVE-2025-29967 is a high-severity Heap-based Buffer Overflow (CWE-122) vulnerability in Microsoft Windows 10 21H2. Its CVSS base score is 8.8 (High).
Operationally, ranked in the top 12.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
The vulnerability CVE-2025-29967 is a heap-based buffer overflow, tracked under CWEs 122 and 787, that affects the Remote Desktop Gateway Service. It carries a CVSS 3.1 score of 8.8 with an attack vector of network, low complexity, no privileges required, and required user interaction.
An unauthorized attacker can exploit the flaw remotely over a network to achieve arbitrary code execution, with impacts to confidentiality, integrity, and availability all rated high.
The associated Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-29967 addresses the issue. Exploitation probability remains low, with both current and peak EPSS values at 0.0339 and no material increase observed.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-14470
Vulnerability details
Heap-based buffer overflow in Remote Desktop Gateway Service allows an unauthorized attacker to execute code over a network.
- 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.
Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.