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CVE-2026-26175

MEDIUMCVSS 4.6/10EPSS 0.40%

Last modified

CVE-2026-26175 is a medium-severity vulnerability rated 4.6/10 on the CVSS scale. Use of uninitialized resource in Windows Boot Manager allows an unauthorized attacker to bypass a security feature with a physical attack.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.

Description

Use of uninitialized resource in Windows Boot Manager allows an unauthorized attacker to bypass a security feature with a physical attack.

Metrics

CVSS 3.1
4.6/10

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability
0.40%

31.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MicrosoftWindows 10 1607< 10.0.14393.9060
MicrosoftWindows 10 1809< 10.0.17763.8644
MicrosoftWindows 10 21h2< 10.0.19044.7184
MicrosoftWindows 10 22h2< 10.0.19045.7184
MicrosoftWindows 11 23h2< 10.0.22631.6936
MicrosoftWindows 11 24h2< 10.0.26100.8246
MicrosoftWindows 11 25h2< 10.0.26200.8246
MicrosoftWindows 11 26h1< 10.0.28000.1836
MicrosoftWindows Server 2016< 10.0.14393.9060
MicrosoftWindows Server 2019< 10.0.17763.8644
MicrosoftWindows Server 2022< 10.0.20348.5020
MicrosoftWindows Server 2022 23h2< 10.0.25398.2274
MicrosoftWindows Server 2025< 10.0.26100.32690

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-26175?
Use of uninitialized resource in Windows Boot Manager allows an unauthorized attacker to bypass a security feature with a physical attack.
How severe is CVE-2026-26175?
CVE-2026-26175 has a CVSS score of 4.6/10 (MEDIUM severity). The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.
How do I fix CVE-2026-26175?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-26175?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST