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 can result in denial of service (DoS) by causing the affected service to crash, denying legitimate users access. The vulnerability has a CVSS 3.1 base score of 7.5, indicating high severity, with network attack vector, low attack complexity, no privileges or user interaction required, and impact limited to availability. Microsoft has published an official fix to remediate this issue.
Potential Impact
An attacker can remotely cause the LSASS service to crash, resulting in a denial of service condition on affected Windows 10 Version 1607 systems. There is no impact on confidentiality or integrity, only availability is affected.
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
Microsoft
Windows 10 Version 1607
Microsoft
Windows 10 Version 1809
Microsoft
Windows 10 Version 21H2
Microsoft
Windows 10 Version 22H2
Microsoft
Windows 11 version 22H3
Microsoft
Windows 11 Version 23H2
Microsoft
Windows 11 Version 24H2
Microsoft
Windows 11 Version 25H2
Microsoft
Windows 11 version 26H1
Microsoft
Windows Server 2016
Microsoft
Windows Server 2016 (Server Core installation)
Microsoft
Windows Server 2019
Microsoft
Windows Server 2019 (Server Core installation)
Microsoft
Windows Server 2022
Microsoft
Windows Server 2022, 23H2 Edition (Server Core installation)
Microsoft
Windows Server 2025
Microsoft
Windows Server 2025 (Server Core installation)
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 can result in denial of service (DoS) by causing the affected service to crash, denying legitimate users access. The vulnerability has a CVSS 3.1 base score of 7.5, indicating high severity, with network attack vector, low attack complexity, no privileges or user interaction required, and impact limited to availability. Microsoft has published an official fix to remediate this issue.
Potential Impact
An attacker can remotely cause the LSASS service to crash, resulting in a denial of service condition on affected Windows 10 Version 1607 systems. There is no impact on confidentiality or integrity, only availability is affected.
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: 08/15/2026, 13:59:59 UTC
Last updated: 09/14/2026, 22:01:33 UTC
Views: 128
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