Skip to main content
CVE-2026-121257VulnerabilityPublished

TabStrip · Use After Free

Source GCVE Database

0
Compare
Authoritative record:CVE-2026-121257· Medium

Not known to be exploited : upgrade to 157.0.8103.38 when convenient.

Data as of 3 Nov 2026, 22:44 UTC

Severity
Medium

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

Thin evidence

One scorer or none
Patch
Available – fixed in 157.0.8103.38

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 3 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 3 Nov 2026.

What to do

Upgrade Chrome to 157.0.8103.38.

Affected software

ProductAffectedFixed in
GoogleChromeAffected
  • >=157.0.8103.38 <157.0.8103.38
Fixed in
  • 157.0.8103.38

AI-suggested

A fix is available in Google Chrome version 157.0.8103.38 and later. Users and administrators should update to this version or a later release to remediate the vulnerability. There is no indication that the vulnerability is mitigated by default or that no action is required.

Description

A use-after-free vulnerability exists in the TabStrip component of Google Chrome versions prior to 157.0.8103.38. This flaw could allow a remote attacker to execute arbitrary code outside the browser sandbox by exploiting a crafted Chrome extension. The vulnerability is classified with medium severity by Chromium security.

References

Community reviews

Loading reviews…