CVE-2026-118026: Invalid Pointer
Source GCVE Database
Not known to be exploited.
Data as of 27 Oct 2026, 16:42 UTC
Rated High by Threat Radar's AI analysis · CVSS not yet scored by NVD
Exploitation evidence
Disclosed: evidence found.
CVE published 27 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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 for this vulnerability is available in Firefox 159. Users and administrators should update to Firefox 159 or later to remediate this issue. No additional mitigation steps are indicated by the vendor advisory.
Description
CVE-2026-118026 is a vulnerability involving an invalid pointer in the JavaScript garbage collection (GC) component of Firefox. This security flaw was addressed and fixed in Firefox version 159. The vulnerability is classified with high impact according to the Mozilla advisory.