CVE-2021-3463

CVE-2021-3463 is a medium-severity vulnerability in Lenovo Power Management Driver with a CVSS 3.x base score of 4.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.

Key facts

Description

A null pointer dereference vulnerability in Lenovo Power Management Driver for Windows 10, prior to version 1.67.17.54, that could cause systems to experience a blue screen error.

Frequently asked questions

What is CVE-2021-3463?
A null pointer dereference vulnerability in Lenovo Power Management Driver for Windows 10, prior to version 1.67.17.54, that could cause systems to experience a blue screen error.
How severe is CVE-2021-3463?
CVE-2021-3463 has a CVSS 3.x base score of 4.2, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2021-3463 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-3463?
CVE-2021-3463 affects Lenovo Power Management Driver. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-3463?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-3463 published?
CVE-2021-3463 was published on 2021-04-13 and last updated on 2026-06-17.

References

Affected products (1)

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