CVE-2026-14266 - Vulnerability Details

Threat entity extracted from intelligence sources

Frequency
4
occurrences
First Seen
July 17, 2026
Last Seen
July 17, 2026

CVE-2026-14266 is a vulnerability tracked by ThreatCluster, appearing in 1 threat cluster built from 4 intelligence report mentions.

CVE-2026-14266 is a vulnerability tracked across 1 threat cluster and 4 intelligence report mentions on ThreatCluster. First observed July 17, 2026; most recent activity July 17, 2026.

Related Threat Clusters

  • 7-Zip Vulnerability CVE-2026-14266 Allows Remote Code Execution

    A newly disclosed vulnerability in 7-Zip, tracked as CVE-2026-14266, enables remote code execution via a heap-based buffer overflow when processing crafted XZ chunked data. Attackers can exploit this flaw by tricking…

    17 articles · Updated July 17, 2026

Recent Intelligence Reports

  • 7-Zip: Update patches code smuggling vulnerability — Heise.De · July 17, 2026
  • 7 — Gbhackers · July 17, 2026
  • 7-Zip Fixes CVE-2026-14266 Remote Code Execution Flaw in XZ Parsing — Mallory.Ai · July 17, 2026
  • 7 — Cybersecuritynews · July 17, 2026

Related Entities

Malware Zero-day Exploit Trend Micro Zero Day Initiative CWE-120 - Classic Buffer Overflow Cwe-122 - Heap-based Buffer Overflow T1203 - Exploitation for Client Execution T1566.001 - Spearphishing Attachment Linux MacOS Windows 7-Zip

Frequently asked questions

What is CVE-2026-14266?

CVE-2026-14266 is a vulnerability tracked by ThreatCluster, appearing in 1 threat cluster built from 4 intelligence report mentions.

Is CVE-2026-14266 still active?

The most recent intelligence report mentioning CVE-2026-14266 on ThreatCluster is dated July 17, 2026.

What is CVE-2026-14266 associated with?

Across ThreatCluster reporting, CVE-2026-14266 most frequently co-occurs with Malware, Zero-day Exploit, Trend Micro, Zero Day Initiative, CWE-120 - Classic Buffer Overflow, among 12 tracked related entities.

What are the latest developments involving CVE-2026-14266?

The most significant recent cluster is “7-Zip Vulnerability CVE-2026-14266 Allows Remote Code Execution” (17 articles · Updated July 17, 2026). CVE-2026-14266 appears across 1 threat cluster in total, listed above with sources.

How much reporting does ThreatCluster have on CVE-2026-14266?

CVE-2026-14266 appears in 4 intelligence report mentions across 1 deduplicated threat cluster, aggregated from 17,000+ monitored sources.

CVSS v3.1 Breakdown