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VulnerabilityPublished

CVE-2026-124885: Use-after-free in the Graphics · Text component

Source GCVE Database

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Authoritative record:CVE-2026-124885· High 8.8

Not known to be exploited · CVSS 8.8 High.

Data as of 10 Nov 2026, 17:02 UTC

CVSS 3.1 base score
8.8High
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CISA-ADPCVSS 3.18.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 10 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: 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 10 Nov 2026.

What to do

AI-suggested

Users and administrators should apply the official fixes by upgrading to Firefox 160, Firefox ESR 115.45, or Firefox ESR 153.7. These versions contain patches that fully remediate the vulnerability. No additional mitigation steps are required once the update is applied.

Description

CVE-2026-124885 is a use-after-free vulnerability in the Graphics: Text component of Firefox. This flaw was addressed and fixed in Firefox 160, Firefox ESR 115.45, and Firefox ESR 153.7. The vulnerability has a high severity rating with a CVSS score of 8.8, indicating it could lead to significant impact if exploited.

References

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