CVE-2026-32071: CWE-476: NULL Pointer Dereference in Microsoft Windows 10 Version 1607
Null pointer dereference in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attacker to deny service over a network.
AI Analysis
Technical Summary
This vulnerability is a null pointer dereference in the LSASS component of Windows 10 Version 1607 (build 10.0.14393.0). Exploitation allows an unauthenticated attacker to remotely cause a denial of service condition, resulting in system unavailability. The CVSS 3.1 base score is 7.5, reflecting network attack vector, low attack complexity, no privileges or user interaction required, and impact limited to availability. Microsoft has released an official fix to address this issue.
Potential Impact
An attacker can remotely cause the LSASS service to crash by triggering a null pointer dereference, resulting in a denial of service. There is no impact on confidentiality or integrity. The affected system may become unavailable until restarted or remediated.
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-2026-32071 to remediate this vulnerability.
CVE-2026-32071: CWE-476: NULL Pointer Dereference in Microsoft Windows 10 Version 1607
Description
Null pointer dereference in Windows Local Security Authority Subsystem Service (LSASS) 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 is a null pointer dereference in the LSASS component of Windows 10 Version 1607 (build 10.0.14393.0). Exploitation allows an unauthenticated attacker to remotely cause a denial of service condition, resulting in system unavailability. The CVSS 3.1 base score is 7.5, reflecting network attack vector, low attack complexity, no privileges or user interaction required, and impact limited to availability. Microsoft has released an official fix to address this issue.
Potential Impact
An attacker can remotely cause the LSASS service to crash by triggering a null pointer dereference, resulting in a denial of service. There is no impact on confidentiality or integrity. The affected system may become unavailable until restarted or remediated.
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-2026-32071 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-03-10T22:02:18.665Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32071","vendor":"Microsoft"}]
Threat ID: 69de7a2782d89c981fd6ba62
Added to database: 04/14/2026, 17:32:23 UTC
Last enriched: 06/19/2026, 17:04:17 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 106
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