VulnerabilityPublished 10 Nov 2026

CVE-2026-124886: Invalid Pointer

Source GCVE Database

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Authoritative record:CVE-2026-124886· High

Not known to be exploited.

Data as of 10 Nov 2026, 18:02 UTC

Severity

High

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

Thin evidence

One scorer or none

Exploitation evidence

Disclosed: evidence found.
CVE published 10 Nov 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: 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 10 Nov 2026.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponized: A Metasploit exploit module or Exploit-DB entry exists (Metasploit scanner modules do not count), or CISA SSVC or the CVSS exploit maturity reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

ghsa-wj87-g29m-fwgr

What to do

AI-suggested

Users and administrators should upgrade to Firefox 160 or Firefox ESR 153.7 or later to remediate this vulnerability. The vendor advisory confirms that the issue is fixed in these versions. No additional mitigation steps are indicated.

Description

CVE-2026-124886 is a vulnerability involving an invalid pointer in the Layout: Text and Fonts component of Firefox. This issue was addressed and fixed in Firefox version 160 and Firefox ESR 153.7. The vulnerability is classified with high impact by Mozilla, indicating serious security concerns if exploited.

Impact

The vulnerability has a high impact rating as per Mozilla's advisory, suggesting it could lead to significant security issues if exploited. However, no active exploitation has been reported. The exact nature of the impact is not detailed beyond the high severity classification.

Summary

This vulnerability concerns an invalid pointer in the Layout: Text and Fonts component of Firefox. The flaw was identified and fixed in Firefox 160 and Firefox ESR 153.7. Mozilla has assigned a high impact rating to this issue, reflecting its potential severity. The vendor advisory lists this fix among multiple high-impact vulnerabilities resolved in Firefox 160. There is no indication of known exploitation in the wild.

References

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