CVE-2026-65796: Windows iSCSI Target Service Remote Code Execution Vulnerability
Published Aug 11, 2026
·Updated
Heap-based buffer overflow in Windows iSCSI Target Service allows an unauthorized attacker to execute code over a network.
Other sources
Windows iSCSI Target Service Remote Code Execution Vulnerability
— Microsoft
Affected Software
26 affected componentsFixes available
Microsoft Windows 10=1607
10.0.14393.9418
Microsoft Windows Server 2025<10.0.26100.33296, <10.0.26100.33222
10.0.26100.3329610.0.26100.33222
Microsoft Windows Server 2022<10.0.20348.5499, <10.0.20348.5440
10.0.20348.549910.0.20348.5440
Microsoft Windows Server 2022<10.0.20348.5499, <10.0.20348.5440
10.0.20348.549910.0.20348.5440
Microsoft Windows Server 2025<10.0.26100.33296, <10.0.26100.33222
10.0.26100.3329610.0.26100.33222
Microsoft Windows Server 2019<10.0.17763.9115
10.0.17763.9115
Microsoft Windows Server 2012 R2<6.3.9600.23338
6.3.9600.23338
Microsoft Windows 10=1809
10.0.17763.9115
Microsoft Windows Server 2019<10.0.17763.9115
10.0.17763.9115
Microsoft Windows 10=1809
10.0.17763.9115
Microsoft Windows Server 2012<6.2.9200.26280
6.2.9200.26280
Microsoft Windows Server 2012 R2<6.3.9600.23338
6.3.9600.23338
Microsoft Windows Server 2012<6.2.9200.26280
6.2.9200.26280
Microsoft Windows Server 2016<10.0.14393.9418
10.0.14393.9418
Microsoft Windows 10=1607
10.0.14393.9418
Microsoft Windows Server 2016<10.0.14393.9418
10.0.14393.9418
Microsoft Windows 10 1607<10.0.14393.9418
Microsoft Windows 10 1607<10.0.14393.9418
Microsoft Windows 10 1809<10.0.17763.9115
Microsoft Windows 10 1809<10.0.17763.9115
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
Microsoft Windows Server 2016<10.0.14393.9418
Microsoft Windows Server 2019<10.0.17763.9115
Microsoft Windows Server 2022<10.0.20348.5440
Microsoft Windows Server 2025<10.0.26100.33222
Remediation
Event History
Aug 11, 2026
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Description
CVE Published
via MITRE·05:06 PM
Data Sourced
via MITRE·05:06 PM
DescriptionSeverity
Data Sourced
via NVD·05:18 PM
RemedyDescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-65796?
CVE-2026-65796 has a severity rating of high, with a CVSS score of 8.1.
2
What type of vulnerability is CVE-2026-65796?
CVE-2026-65796 is a heap-based buffer overflow vulnerability in the Windows iSCSI Target Service.
3
How does CVE-2026-65796 affect systems?
CVE-2026-65796 allows unauthorized attackers to execute code remotely or cause a denial of service over the network.
4
What software is affected by CVE-2026-65796?
CVE-2026-65796 affects multiple versions of Microsoft Windows, including Windows 10 and various Windows Server editions.
5
How do I mitigate CVE-2026-65796?
To mitigate CVE-2026-65796, ensure that your system is updated with the latest security patches provided by Microsoft.