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VulnerabilityPublished Updated

CVE-2026-12285: Use After Free Vulnerability

Source GCVE Database

0
Authoritative record:CVE-2026-12285· Medium 4.0

Not known to be exploited · CVSS 4.0 Medium.

Data as of 26 Oct 2026, 10:12 UTC

CVSS 3.1 base score
4.0Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 5% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 8 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Arm LtdBifrost GPU Kernel DriverAffected
  • ≥ r41p0, ≤ r49p5
  • ≥ r50p0, ≤ r51p0
  • ≥ r54p1, ≤ r54p2
Fixed in–
Arm LtdValhall GPU Kernel DriverAffected
  • ≥ r41p0, ≤ r49p5
  • ≥ r50p0, ≤ r54p3
  • =r55p0
Fixed in–
Arm LtdArm 5th Gen GPU Architecture Kernel DriverAffected
  • ≥ r41p0, ≤ r49p5
  • ≥ r50p0, ≤ r54p3
  • =r55p0
Fixed in–

Description

A Use After Free vulnerability exists in Arm Ltd's Bifrost, Valhall, and 5th Gen GPU Architecture Kernel Drivers. This flaw allows a local non-privileged user process to access memory that has already been freed by performing valid GPU memory operations. The vulnerability affects specific driver revisions within the stated ranges. The CVSS score is 4.0, indicating a medium severity level.

References

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