Time-of-check time-of-use (toctou) race condition in Linux Kernel allows an authorized attacker to elevate privileges locally.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Oct 13, 2026 · Catalog

   Detected

   Time-of-check time-of-use (toctou) race condition in Linux Kernel allows an authorized attacker to elevate privileges locally.

2. Oct 13, 2026 · Catalog

   Updated

   Time-of-check time-of-use (toctou) race condition in Linux Kernel allows an authorized attacker to elevate privileges locally.

Sources

• CVE.orgVulnerability recordCVE-2026-62840

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2026-62840

  30-day exploitation probability 0.2%

  first.org
• NIST NVDVulnerability recordCVE-2026-62840

  Time-of-check time-of-use (toctou) race condition in Linux Kernel allows an authorized attacker to elevate privileges locally.

  nvd.nist.gov

References

• Reference · msrc.microsoft.com