CVE-2026-0940
ThinkPad BIOS improper init may allow local privilege escalation and code execution.
Is CVE-2026-0940 being exploited?
Not confirmed. CVE-2026-0940 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.13% probability of exploitation in the next 30 days.
How severe is CVE-2026-0940?
CVE-2026-0940 is rated High with a CVSS score of 8.4. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-0940?
Not known from our data. No patch reference has been recorded for CVE-2026-0940, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-0940 affect?
CVE-2026-0940 affects ThinkPad BIOS (Lenovo laptops). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-0940?
Monitor Lenovo advisories; apply firmware patch when released; restrict physical access.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Local privilege escalation: attacker with local access can modify data and execute arbitrary code via BIOS init flaw.
Patch when possible
- affected<= 1.17
- affected<= 1.28
- affected<= 1.62
- affected<= 1.17
- affected<= 1.76
- affected<= 1.37
- affected<= 1.76
- affected<= 1.37
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.