CVE tracker / CVE-2026-72980

CVE-2026-72980

CVE-2026-72980 is the Windows Hello Security Feature Bypass Vulnerability. Microsoft rates it Critical, CVSS 4.4. It is not in CISA's Known Exploited Vulnerabilities catalog. Published September 8, 2026.

Risk summary

MediumSecurity Feature Bypass
4.4
CVSS v3 base
0.6%
EPSS: chance of exploitation in 30 days
Medium
Severity
Critical
Microsoft's rating
Unlikely
Microsoft: exploitation
No
In CISA KEV

Microsoft describes it: “Uncontrolled search path element in Windows Hello allows an authorized attacker to bypass a security feature locally.”

How to fix it

Microsoft lists 26 affected products and the update that fixes each:

What Microsoft changed

Details

Weakness
CWE-427: Uncontrolled Search Path Element
Publicly disclosed (Microsoft)
No
Exploited (Microsoft)
No
Known exploited (CISA KEV)
Not listed
Published
September 8, 2026
Last revised
September 8, 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.