CVE-2026-12454: Google Chrome · Race
Affects Google ChromeSource CVE Database V5
Not known to be exploited · CVSS 8.3 High : upgrade to 149.0.7827.155 soon.
Data as of 30 Oct 2026, 20:25 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 3% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 149.0.7827.155
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 17 Jun 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 30 Oct 2026.
What to do
Upgrade Google Chrome to 149.0.7827.155.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| GoogleChrome | Affected
| Fixed in
|
AI-suggested
A fix is available in Google Chrome version 149.0.7827.155. Users and administrators should update affected Chrome installations on Mac to this version or later to remediate the vulnerability. Refer to the official Google Chrome stable channel update advisory at https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01750511403.html for update instructions and confirmation of the patch.
Description
Race in Safe Browsing in Google Chrome on Mac prior to 149.0.7827.155 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)