Medium severity · published Jun 10, 2026
CVE-2025-10238
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…
6.7
CVSS
0.1%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 2% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EG
E14 Gen 4 (type 21E3, 21E4) Laptops (ThinkPad) BIOS · Lenovo
before 1.34 · source: vendor
EG
E14 Gen 5 (Type 21JR, 21JS) Laptop (ThinkPad) BIOS · Lenovo
before 1.29 · source: vendor
EG
E14 Gen 6 (Type 21M3, 21M4) Laptops (ThinkPad) BIOS · Lenovo
before 1.27 · source: vendor
EG
E15 Gen 4 (type 21ED 21EE) Laptop (ThinkPad) BIOS · Lenovo
before 1.27 · source: vendor
EG
E16 Gen 3 (Type 21SR, 21SS) Laptops (ThinkPad) BIOS · Lenovo
before 1.11 · source: vendor
EG
E16 Gen 3 (Type 22AY, 22B0) Laptop (ThinkPad) BIOS · Lenovo
before 1.38 · source: vendor
LG
L13 Gen 4 (Type 21FG, 21FH) Laptop (ThinkPad) BIOS · Lenovo
before 1.24 · source: vendor
LG
L13 Gen 6 (Type 21RB, 21RC) Laptops (ThinkPad) BIOS · Lenovo
before 1.15 · source: vendor
LY
L13 Yoga Gen 3 (Type 21B5, 21B6) Laptop (ThinkPad) BIOS · Lenovo
before 1.31 · source: vendor
LG
L14 Gen 3 (type 21C1, 21C2) Laptops (ThinkPad) BIOS · Lenovo
before 1.44 · source: vendor
LG
L14 Gen 3 (type 21C5, 21C6) Laptops (ThinkPad) BIOS · Lenovo
before 1.36 · source: vendor
LG
L14 Gen 4 (Type 21H1, 21H2) Laptop (ThinkPad) BIOS · Lenovo
before 1.34 · source: vendor
Affected product
EG
E14 Gen 4 (type 21E3, 21E4) Laptops (ThinkPad) BIOS
Lenovo