CVE-2026-50420
Out-of-bounds read in Windows HTTP.sys allows an unauthorized attacker to disclose information locally.
Published Jul 14, 2026 · updated Oct 14, 2026 · microsoft windows 11 24h2
Out-of-bounds read in Windows HTTP.sys allows an unauthorized attacker to disclose information locally.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Jul 14, 2026 · NIST NVD
Detected
Out-of-bounds read in Windows HTTP.sys allows an unauthorized attacker to disclose information locally.
Oct 14, 2026 · NIST NVD
Updated
Out-of-bounds read in Windows HTTP.sys allows an unauthorized attacker to disclose information locally.
Affected
- cpe microsoft/windows 11 24h2version unspecified
- cpe microsoft/windows 11 25h2version unspecified
- cpe microsoft/windows 11 26h1version unspecified
- cpe microsoft/windows server 2025version unspecified
Sources
- CVE.orgVulnerability recordCVE-2026-50420
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-50420
30-day exploitation probability 0.4%
first.org - NIST NVDVulnerability recordCVE-2026-50420
Out-of-bounds read in Windows HTTP.sys allows an unauthorized attacker to disclose information locally.
nvd.nist.gov