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Vulnerability · Published Jun 10, 2026 · Assigned by lenovo

CVE-2025-10238

Medium 6.7

In plain English

A medium-severity out-of-bounds write in E14 Gen 4 (type 21E3, 21E4) Laptops (ThinkPad) BIOS from Lenovo. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 2% of all known vulnerabilities).

Severity (CVSS 3.1)6.7Medium
Exploit odds (30 days)0.1%top 98.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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).

Affected products (as reported)

VendorProductVersions
Lenovo X13 Gen 6 (Type 21RK, 21RL) Laptops (ThinkPad) BIOS 0 – before 1.12
Lenovo X1 Carbon 13th Gen (Type 21NX, 21NY) Laptops (ThinkPad) BIOS 0 – before 1.15
Lenovo P16v Gen 3 (Type 21RS, 21RT) Laptop (ThinkPad) BIOS 0 – before BIOS: 1.13 / ECFW: 1.09
Lenovo L16 Gen 1 (Type 21L7 21L8) Laptops (ThinkPad) BIOS 0 – before 1.40
Lenovo T14s Gen 6 (Type 21TB, 21TC) Laptops (ThinkPad) BIOS 0 – before 1.11
Lenovo P14s Gen 6 (Type 21QT, 21QU) Laptops (ThinkPad) BIOS 0 – before UEFI BIOS V1.22/ECP V1.13
Lenovo L13 Gen 6 (Type 21RB, 21RC) Laptops (ThinkPad) BIOS 0 – before 1.15
Lenovo L14 Gen 6 (Type 21SE, 21SF) Laptops (ThinkPad) BIOS 0 – before 1.14
Lenovo E16 Gen 3 (Type 22AY, 22B0) Laptop (ThinkPad) BIOS 0 – before 1.38
Lenovo L16 Gen 2 (Type 21SC, 21SD) Laptops (ThinkPad) BIOS 0 – before 1.13
Lenovo X13 Gen 6 (Type 21RM, 21RN) Laptops (ThinkPad) BIOS 0 – before 1.62/1.12
Lenovo T14s Gen 6 (Type 21R1, 21R2) Laptops (ThinkPad) BIOS 0 – before 1.10
Lenovo X1 2-in-1 Gen 9 (Type 21KE, 21KF) Laptop (ThinkPad) BIOS 0 – before 1.45
Lenovo X1 Fold 16 Gen 1 (Type 21ES, 21ET) Laptop (ThinkPad) BIOS 0 – before 1.25
Lenovo Z16 Gen 2 (Type 21JX, 21JY) Laptop (ThinkPad) BIOS 0 – before 1.37
Lenovo P16v Gen 1 (Type 21FE, 21FF) Laptop (ThinkPad) BIOS 0 – before 1.65/1.13
Lenovo X13 Gen 4 (Type 21J3, 21J4) Laptop (ThinkPad) BIOS 0 – before 1.37
Lenovo T14s Gen 4 (Type 21F8, 21F9) Laptop (ThinkPad) BIOS 0 – before 1.28
Lenovo P14s Gen 4 (Type 21K5, 21K6) Laptop (ThinkPad) BIOS 0 – before 1.47
Lenovo P1 Gen 6 (Type 21FV, 21FW) Laptop (ThinkPad) BIOS 0 – before 1.38
Lenovo P16v Gen 1 (Type 21FC, 21FD) Laptop (ThinkPad) BIOS 0 – before BIOS: 1.40 / ECFW: 1.09
Lenovo P16 Gen 2 (Type 21FA, 21FB) Laptop (ThinkPad) BIOS 0 – before BIOS: 1.61 / ECFW: 1.57
Lenovo X13 Yoga Gen 4 (Type 21F2, 21F3) Laptop (ThinkPad) BIOS 0 – before 1.22
Lenovo P16s Gen 2 (Type 21HK, 21HL) Laptop (ThinkPad) BIOS 0 – before 1.51
Lenovo E14 Gen 5 (Type 21JR, 21JS) Laptop (ThinkPad) BIOS 0 – before 1.29
Lenovo T14s Gen 4 (Type 21F6, 21F7) Laptop (ThinkPad) BIOS 0 – before 1.23
Lenovo ThinkPad R14 Gen 5 Type 21JM PRC BIOS 0 – before 1.41
Lenovo L14 Gen 4 (Type 21H1, 21H2) Laptop (ThinkPad) BIOS 0 – before 1.34
Lenovo L13 Gen 4 (Type 21FG, 21FH) Laptop (ThinkPad) BIOS 0 – before 1.24
Lenovo X1 Nano Gen 3 (Type 21K1, 21K2) Laptop (ThinkPad) BIOS 0 – before 1.28

Weakness: CWE-787 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References