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VulnerabilityPublished

CVE-2026-117926: Mozilla Firefox · Incorrect boundary conditions in the SVG component

Affects Mozilla FirefoxSource CVE Database V5

0

Not known to be exploited.

Data as of 27 Oct 2026, 15:27 UTC

Severity
High

Rated High by Threat Radar's AI analysis · CVSS not yet scored by NVD

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 27 Oct 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

AI-suggested

A fix is available and has been implemented in Firefox 159, Firefox ESR 115.44, and Firefox ESR 153.6. Users and administrators should update to these versions or later to remediate the vulnerability.

Description

CVE-2026-117926 is a vulnerability in the SVG component of Mozilla Firefox caused by incorrect boundary conditions. This flaw was addressed and fixed in Firefox 159, Firefox ESR 115.44, and Firefox ESR 153.6. The vulnerability is rated with high impact by Mozilla.

References

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