CVE-2026-33837: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Heap-based buffer overflow in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability involves a heap-based buffer overflow in the TCP/IP implementation of Windows 10 Version 1607. An attacker with local authorized access can exploit this flaw to gain elevated privileges, potentially compromising system integrity. The issue is tracked as CWE-122. Microsoft has published an official fix to remediate this vulnerability.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate their privileges, which could lead to full system compromise or unauthorized actions with higher privileges. The confidentiality, integrity, and availability of the system are all rated as highly impacted according to the CVSS vector.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33837 to remediate this vulnerability. No additional mitigation steps are indicated by the vendor advisory.
CVE-2026-33837: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Description
Heap-based buffer overflow in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a heap-based buffer overflow in the TCP/IP implementation of Windows 10 Version 1607. An attacker with local authorized access can exploit this flaw to gain elevated privileges, potentially compromising system integrity. The issue is tracked as CWE-122. Microsoft has published an official fix to remediate this vulnerability.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate their privileges, which could lead to full system compromise or unauthorized actions with higher privileges. The confidentiality, integrity, and availability of the system are all rated as highly impacted according to the CVSS vector.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33837 to remediate this vulnerability. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-03-24T00:52:01.353Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33837","vendor":"Microsoft"}]
Threat ID: 6a036539cbff5d861008c33a
Added to database: 5/12/2026, 5:36:57 PM
Last enriched: 5/12/2026, 7:24:31 PM
Last updated: 5/13/2026, 4:52:47 AM
Views: 3
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