CVE-2026-32216: CWE-476: NULL Pointer Dereference in Microsoft Windows 11 version 26H1
Null pointer dereference in Windows Redirected Drive Buffering allows an authorized attacker to deny service locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-32216) involves a null pointer dereference in the Windows Redirected Drive Buffering component of Windows 11 version 26H1 (build 10.0.28000.0). An authorized attacker with local privileges can exploit this flaw to cause a denial of service condition, crashing the affected system or service. The issue is tracked under CWE-476 (NULL Pointer Dereference). Microsoft has published an official fix for this vulnerability.
Potential Impact
The impact of this vulnerability is a denial of service (DoS) condition that can be triggered locally by an authorized user. There is no impact on confidentiality or integrity. The CVSS vector indicates low attack complexity and privileges required, but no user interaction is needed. No known exploits are reported in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 11 version 26H1 to remediate this vulnerability. Refer to the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32216 for the update details and installation instructions.
CVE-2026-32216: CWE-476: NULL Pointer Dereference in Microsoft Windows 11 version 26H1
Description
Null pointer dereference in Windows Redirected Drive Buffering allows an authorized attacker to deny service locally.
CVSS v3.1
Score 5.5medium
Affected software
Microsoft
Windows 11 version 26H1
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-32216) involves a null pointer dereference in the Windows Redirected Drive Buffering component of Windows 11 version 26H1 (build 10.0.28000.0). An authorized attacker with local privileges can exploit this flaw to cause a denial of service condition, crashing the affected system or service. The issue is tracked under CWE-476 (NULL Pointer Dereference). Microsoft has published an official fix for this vulnerability.
Potential Impact
The impact of this vulnerability is a denial of service (DoS) condition that can be triggered locally by an authorized user. There is no impact on confidentiality or integrity. The CVSS vector indicates low attack complexity and privileges required, but no user interaction is needed. No known exploits are reported in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 11 version 26H1 to remediate this vulnerability. Refer to the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32216 for the update details and installation instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-03-11T01:49:58.660Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32216","vendor":"Microsoft"}]
Threat ID: 69de7a3682d89c981fd6bd4c
Added to database: 04/14/2026, 17:32:38 UTC
Last enriched: 08/15/2026, 14:08:23 UTC
Last updated: 09/14/2026, 22:01:33 UTC
Views: 103
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