STIGQter: STIG Summary: Microsoft Windows 11 Security Technical Implementation Guide Version: 2 Release: 8 Benchmark Date: 01 Jul 2026:

Structured Exception Handling Overwrite Protection (SEHOP) must be enabled.

DISA Rule

SV-253284r958928_rule

Vulnerability Number

V-253284

Group Title

SRG-OS-000433-GPOS-00192

Rule Version

WN11-00-000150

Severity

CAT I

CCI(s)

CCI-002824 - Implement organization-defined controls to protect its memory from unauthorized code execution.

Weight

Fix Recommendation

Configure the policy value for Computer Configuration >> Administrative Templates >> MS Security Guide >> "Enable Structured Exception Handling Overwrite Protection (SEHOP)" to "Enabled".

This policy setting requires the installation of the SecGuide custom templates included with the STIG package. "SecGuide.admx" and "SecGuide.adml" must be copied to the \Windows\PolicyDefinitions and \Windows\PolicyDefinitions\en-US directories respectively.

Check Contents

Verify SEHOP is turned on.

If the following registry value does not exist or is not configured as specified, this is a finding:

Registry Hive: HKEY_LOCAL_MACHINE
Registry Path: \SYSTEM\CurrentControlSet\Control\Session Manager\kernel\

Value Name: DisableExceptionChainValidation

Value Type: REG_DWORD
Value: 0x00000000 (0)

Vulnerability Number

V-253284

Documentable

False

Rule Version

WN11-00-000150

Severity Override Guidance

Check Content Reference

Target Key

5471