CVE-2025-9548

Windows crash via null pointer dereference

Published Oct 15, 2025 · Updated Oct 15, 2025

Null pointer dereference in Lenovo Power Management Driver before 1.69.70.0 allows local users to crash Windows with a blue screen. Lenovo has not published the affected driver routine or the input that reaches the null dereference. Local authenticated access is required, and the reported consequence is a Windows blue-screen crash without confidentiality or integrity impact.

CVSS severity6.8
Medium
EPSS probability0.12%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Null pointer dereference in Lenovo Power Management Driver before 1.69.70.0 allows local users to crash Windows with a blue screen. Lenovo has not published the affected driver routine or the input that reaches the null dereference. Local authenticated access is required, and the reported consequence is a Windows blue-screen crash without confidentiality or integrity impact.

The record

CVE
CVE-2025-9548
Published
Oct 15, 2025
Updated
Oct 15, 2025
Vendor
Lenovo
Product
Lenovo Power Management Driver
Classifications
CWE-476, T1499
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 15, 2025CVE publishedPublication date reported by the CVE source.
  2. Oct 15, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <1.69.70.0

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Lenovo · Lenovo Power Management Driverversion=0 <1.69.70.0

Published CVSS scores

6.8Lenovo Group Ltd.CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
5.5Lenovo Group Ltd.CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-476NULL Pointer Dereference
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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