Lenovo ThinkPad BIOS init flaw CVE-2026-0940
CVE-2026-0940 Published on March 11, 2026
A potential improper initialization vulnerability was reported in the BIOS of some ThinkPads that could allow a local privileged user to modify data and execute arbitrary code.
Vulnerability Analysis
CVE-2026-0940 is exploitable with local system access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
Improper Initialization
The software does not initialize or incorrectly initializes a resource, which might leave the resource in an unexpected state when it is accessed or used. This can have security implications when the associated resource is expected to have certain properties or values, such as a variable that determines whether a user has been authenticated or not.
Products Associated with CVE-2026-0940
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Affected Versions
Lenovo ThinkPad T14 Gen 5 BIOS:- Before and including 1.17 is affected.
- Before and including 1.17 is affected.
- Before and including 1.37 is affected.
- Before and including 1.37 is affected.
- Before and including 1.62 is affected.
- Before and including 1.28 is affected.
- Before and including 1.76 is affected.
- Before and including 1.76 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.