CVE-2026-65681: CWE-476: NULL Pointer Dereference in Microsoft Windows 10 Version 1607
Null pointer dereference in Windows iSCSI Target Service allows an unauthorized attacker to deny service over a network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-65681) is a null pointer dereference in the Windows iSCSI Target Service on Windows 10 Version 1607 (build 10.0.14393.0). An unauthenticated attacker can exploit this flaw remotely over the network to cause a denial of service condition, crashing or stopping the affected service. The CVSS 3.1 base score is 7.5 (high), reflecting network attack vector, low attack complexity, no privileges or user interaction required, and impact limited to availability. Microsoft has issued an official fix for this vulnerability as documented in their security update guide.
Potential Impact
The impact of this vulnerability is a denial of service condition caused by a null pointer dereference in the Windows iSCSI Target Service. It does not affect confidentiality or integrity but can disrupt availability by crashing the service remotely without authentication.
Mitigation Recommendations
An official fix is available from Microsoft for this vulnerability. Users and administrators of Windows 10 Version 1607 should apply the security update provided by Microsoft as detailed in their advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65681 to remediate this issue.
CVE-2026-65681: CWE-476: NULL Pointer Dereference in Microsoft Windows 10 Version 1607
Description
Null pointer dereference in Windows iSCSI Target Service 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 (CVE-2026-65681) is a null pointer dereference in the Windows iSCSI Target Service on Windows 10 Version 1607 (build 10.0.14393.0). An unauthenticated attacker can exploit this flaw remotely over the network to cause a denial of service condition, crashing or stopping the affected service. The CVSS 3.1 base score is 7.5 (high), reflecting network attack vector, low attack complexity, no privileges or user interaction required, and impact limited to availability. Microsoft has issued an official fix for this vulnerability as documented in their security update guide.
Potential Impact
The impact of this vulnerability is a denial of service condition caused by a null pointer dereference in the Windows iSCSI Target Service. It does not affect confidentiality or integrity but can disrupt availability by crashing the service remotely without authentication.
Mitigation Recommendations
An official fix is available from Microsoft for this vulnerability. Users and administrators of Windows 10 Version 1607 should apply the security update provided by Microsoft as detailed in their advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65681 to remediate this issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-22T18:16:01.898Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65681","vendor":"Microsoft"}]
Threat ID: 6a7b582ebf8831d5391563c4
Added to database: 08/11/2026, 17:13:18 UTC
Last enriched: 08/11/2026, 19:58:43 UTC
Last updated: 08/12/2026, 00:12:10 UTC
Views: 3
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.