Out-of-bounds Write in Lenovo BIOS Enables Local Privilege Escalation to SMM
CVE-2026-10589 Published on July 16, 2026
A potential out of bounds write vulnerability could allow a local privileged attacker to execute code in System Management Mode.
Vulnerability Analysis
CVE-2026-10589 can be exploited with local system access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, a high impact on integrity and availability.
Weakness Type
What is a Memory Corruption Vulnerability?
The software writes data past the end, or before the beginning, of the intended buffer. Typically, this can result in corruption of data, a crash, or code execution. The software may modify an index or perform pointer arithmetic that references a memory location that is outside of the boundaries of the buffer. A subsequent write operation then produces undefined or unexpected results.
CVE-2026-10589 has been classified to as a Memory Corruption vulnerability or weakness.
Products Associated with CVE-2026-10589
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Affected Versions
Lenovo Yoga Pro 7 15IPH11 BIOS:- Before TNCN37WW is affected.
- Before S4CN62WW is affected.
- Before and including TPCN27WW is affected.
- Before and including T8CN19WW is affected.
- Before and including U5CN07WW is affected.
- Before and including TYCN15WW is affected.
- Before SUCN18WW is affected.
- Before and including QEME23WW is affected.
- Before SMCN20WW is affected.
- Before and including RECN14WW is affected.
- Before SJCN17WW is affected.
- Before L1CN72WW is affected.
- Before and including QWCN34WW is affected.
- Before and including S2CN15WW is affected.
- Before and including RYCN22WW is affected.
- Before and including QNCN28WW is affected.
- Before and including S9CN13WW is affected.
- Before R7CN26WW is affected.
- Before and including RLCN21WW is affected.
- Before RGCN35WW is affected.
- Before and including N2CN26WW is affected.
- Before and including NXCN20WW is affected.
- Before P2CN27WW is affected.
- Before N0CN35WW is affected.
- Before and including MECN68WW is affected.
- Before and including LPCN45WW is affected.
- Before and including LUCN47WW is affected.
- Before and including MACN33WW is affected.
- Before and including P8CN42WW is affected.
- Before and including LPCN59WW is affected.
- Before MCCN39WW is affected.
- Before PMCN38WW is affected.
- Before and including MBCN33WW is affected.
- Before LTCN44WW is affected.
- Before and including KZCN46WW is affected.
- Before L1CN51WW is affected.
- Before L4CN31WW is affected.
- Before and including LPCN59WW is affected.
- Before and including JKCN49WW is affected.
- Before KACN29WW is affected.
- Before P5CN31WW is affected.
- Before HTCN49WW is affected.
- Before and including NKCN30WW is affected.
- Before R2CN57WW is affected.
- Before and including RXCN18WW is affected.
- Before and including Q6CN26WW is affected.
- Before and including Q7CN31WW is affected.
- Before and including QDCN23WW is affected.
- Before and including PTCN14WW is affected.
- Before RHCN20WW is affected.
- Before and including QECN21WW is affected.
- Before QUCN20WW is affected.
- Before QBCN30WW is affected.
- Before and including R1CN24WW is affected.
- Before PJCN18WW is affected.
- Before and including Q9CN22WW is affected.
- Before and including NVCN24WW is affected.
- Before and including PZCN27WW is affected.
- Before and including Q8CN17WW is affected.
- Before and including NNCN31WW is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.