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Vulnerability record · CVE-2025-10238 · published 10 June 2026

CVE-2025-10238: Out-of-bounds write vulnerability

During an internal security assessment, a potential out-of-bounds write vulnerability was discovered in the BIOS of some ThinkPad products could allow a privileged local user to execute code in System Management Mode (SMM).

8.4 CVSS 4.0 High EPSS 0.12% · top 98.3% CWE-787 · Out-of-bounds write Awaiting Analysis
8.4CVSS 4.0 base score
0.12%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

During an internal security assessment, a potential out-of-bounds write vulnerability was discovered in the BIOS of some ThinkPad products could allow a privileged local user to execute code in System Management Mode (SMM).

CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://support.lenovo.com/us/en/product_security/LEN-218282

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-10238), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.