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CVE-2026-14266VulnerabilityPublished Updated

SUSE · Security update for 7zip

Affects SUSESource GCVE Database

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Not known to be exploited · fixed in SUSE package updates : patch SUSE soon.

Data as of 31 Oct 2026, 20:20 UTC

Severity
High

Rated by Threat Radar · CVSS not yet scored by NVD

EPSS
0.7% chance of exploitation in 30 days – higher than 54% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 26.02

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 25 Aug 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: evidence found.

    Public exploit code: GitHub proofs of concept

  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), GitHub proofs of concept, the Metasploit, Exploit-DB and nuclei-templates index as of 31 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
SUSE Product Security Team SUSEAffected
  • =7zip-26.02-160000.1.1.aarch64
  • =7zip-26.02-160000.1.1.ppc64le
  • SUSE
  • aarch64
  • 7zip-26.02-160000.1.1.aarch64
  • ppc64le
  • 7zip-26.02-160000.1.1.ppc64le
  • 7zip-0:26.02-160000.1.1.aarch64
  • 7zip-0:26.02-160000.1.1.ppc64le
Fixed in–

AI-suggested

Update 7zip to version 26.02 or later. The update fixes the heap buffer overflow vulnerability and mitigates the risk of remote code execution. No additional mitigation steps are indicated by the vendor advisory.

Description

A heap buffer overflow vulnerability in 7zip when processing XZ chunked data can lead to remote code execution. This issue is addressed in the 7zip update to version 26.02. The vulnerability is tracked as CVE-2026-14266 and was fixed by the SUSE Product Security Team.

Reports on CVE-2026-14266

References

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