CVE-2026-45653: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-45653) is a use-after-free flaw in the Windows Kernel of Windows 10 Version 1607 (build 10.0.14393.0). It allows a local attacker with limited privileges to execute code in kernel mode, resulting in privilege escalation. The issue is classified as CWE-122 (heap-based buffer overflow). Microsoft has released an official fix to address this vulnerability.
Potential Impact
Successful exploitation of this vulnerability allows an authorized local attacker to elevate their privileges to SYSTEM level, potentially gaining full control over the affected system. The CVSS v3.1 base score is 7.0 (High), reflecting high impact on confidentiality, integrity, and availability.
Mitigation Recommendations
An official patch is available from Microsoft to remediate this vulnerability. Users and administrators should apply the update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45653 to protect affected systems. No additional mitigation steps are indicated by the vendor advisory.
CVE-2026-45653: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Description
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.0high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-45653) is a use-after-free flaw in the Windows Kernel of Windows 10 Version 1607 (build 10.0.14393.0). It allows a local attacker with limited privileges to execute code in kernel mode, resulting in privilege escalation. The issue is classified as CWE-122 (heap-based buffer overflow). Microsoft has released an official fix to address this vulnerability.
Potential Impact
Successful exploitation of this vulnerability allows an authorized local attacker to elevate their privileges to SYSTEM level, potentially gaining full control over the affected system. The CVSS v3.1 base score is 7.0 (High), reflecting high impact on confidentiality, integrity, and availability.
Mitigation Recommendations
An official patch is available from Microsoft to remediate this vulnerability. Users and administrators should apply the update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45653 to protect affected systems. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-12T20:33:35.157Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45653","vendor":"Microsoft"}]
Threat ID: 6a284ce98dd33fbd85664efb
Added to database: 6/9/2026, 5:27:05 PM
Last enriched: 6/9/2026, 6:26:05 PM
Last updated: 6/10/2026, 4:41:15 AM
Views: 2
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