CVE-2025-49666
Windows Server Setup and Boot Event Collection Remote Code Execution Vulnerability
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 10.0.14393.8246, 10.0.17763.7558, 10.0.20348.3932, 10.0.25398.1732, 10.0.26100.4652
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- 1 proof of concept on GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: no
- Technical impact: total
Summary
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to execute code over a network.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: total
- Record last updated
Affected versions
- Microsoft Windows Server 2016
From 10.0.14393.0 · fixed in 10.0.14393.8246
- Microsoft Windows Server 2016 (Server Core installation)
From 10.0.14393.0 · fixed in 10.0.14393.8246
- Microsoft Windows Server 2019
From 10.0.17763.0 · fixed in 10.0.17763.7558
- Microsoft Windows Server 2019 (Server Core installation)
From 10.0.17763.0 · fixed in 10.0.17763.7558
- Microsoft Windows Server 2022
From 10.0.20348.0 · fixed in 10.0.20348.3932
- Microsoft Windows Server 2022, 23H2 Edition (Server Core installation)
From 10.0.25398.0 · fixed in 10.0.25398.1732
- Microsoft Windows Server 2025
From 10.0.26100.0 · fixed in 10.0.26100.4652
- Microsoft Windows Server 2025 (Server Core installation)
From 10.0.26100.0 · fixed in 10.0.26100.4652