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 access can exploit this flaw to cause a denial of service condition by causing the system to dereference a null pointer. The vulnerability does not impact confidentiality or integrity but affects availability. Microsoft has published an official fix to remediate this issue.
Potential Impact
The vulnerability allows a local authorized attacker to cause a denial of service on affected Windows 11 systems by triggering a null pointer dereference in the Redirected Drive Buffering feature. There is no impact on confidentiality or integrity. 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 as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32216 to remediate this vulnerability.
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
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 access can exploit this flaw to cause a denial of service condition by causing the system to dereference a null pointer. The vulnerability does not impact confidentiality or integrity but affects availability. Microsoft has published an official fix to remediate this issue.
Potential Impact
The vulnerability allows a local authorized attacker to cause a denial of service on affected Windows 11 systems by triggering a null pointer dereference in the Redirected Drive Buffering feature. There is no impact on confidentiality or integrity. 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 as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32216 to remediate this vulnerability.
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: 06/19/2026, 17:11:36 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 86
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