CVE tracker / CVE-2026-41097

CVE-2026-41097

CVE-2026-41097 is the Secure Boot Security Feature Bypass Vulnerability. Microsoft rates it Important, CVSS 6.7. It is not in CISA's Known Exploited Vulnerabilities catalog. Published May 12, 2026.

Risk summary

MediumSecurity Feature Bypass
6.7
CVSS v3 base
1.4%
EPSS: chance of exploitation in 30 days
Medium
Severity
Important
Microsoft's rating
Less Likely
Microsoft: exploitation
No
In CISA KEV

Microsoft describes it: “Reliance on a component that is not updateable in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.”

How to fix it

Microsoft lists 23 affected products and the update that fixes each:

What Microsoft changed

Details

Weakness
CWE-1329 - Reliance on Component That is Not Updateable
Publicly disclosed (Microsoft)
No
Exploited (Microsoft)
No
Known exploited (CISA KEV)
Not listed
Published
May 12, 2026
Last revised
May 12, 2026

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References

Microsoft Security Update Guide NVD CVE record CWE

From Microsoft, CISA, NVD and FIRST data; the Microsoft details were read when this page was opened. Check the references above before you act.