CVE-2026-33096: CWE-125: Out-of-bounds Read in Microsoft Windows 11 version 22H3
Out-of-bounds read in Windows HTTP.sys allows an unauthorized attacker to deny service over a network.
AI Analysis
Technical Summary
This vulnerability involves an out-of-bounds read in the Windows HTTP.sys driver in Windows 11 version 22H3 (build 10.0.22631.0). Exploitation could allow an unauthenticated attacker to cause a denial of service condition remotely by sending specially crafted network requests. The vulnerability is tracked as CWE-125 (Out-of-bounds Read). Microsoft has published an official fix to remediate this issue.
Potential Impact
Successful exploitation results in denial of service (DoS) over the network, impacting availability. There is no impact on confidentiality or integrity according to the CVSS vector. The vulnerability requires no privileges and no user interaction to exploit.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 11 version 22H3 (build 10.0.22631.0) as detailed in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33096. Applying this update will remediate the vulnerability.
CVE-2026-33096: CWE-125: Out-of-bounds Read in Microsoft Windows 11 version 22H3
Description
Out-of-bounds read in Windows HTTP.sys allows an unauthorized attacker to deny service over a network.
CVSS v3.1
Score 7.5high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an out-of-bounds read in the Windows HTTP.sys driver in Windows 11 version 22H3 (build 10.0.22631.0). Exploitation could allow an unauthenticated attacker to cause a denial of service condition remotely by sending specially crafted network requests. The vulnerability is tracked as CWE-125 (Out-of-bounds Read). Microsoft has published an official fix to remediate this issue.
Potential Impact
Successful exploitation results in denial of service (DoS) over the network, impacting availability. There is no impact on confidentiality or integrity according to the CVSS vector. The vulnerability requires no privileges and no user interaction to exploit.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 11 version 22H3 (build 10.0.22631.0) as detailed in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33096. Applying this update will remediate the vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-03-17T20:15:23.718Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33096","vendor":"Microsoft"}]
Threat ID: 69de7a3882d89c981fd6cefc
Added to database: 04/14/2026, 17:32:40 UTC
Last enriched: 06/19/2026, 17:12:49 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 144
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