Vulnerability · CVE-2025-12907
Insufficient validation of untrusted input in Devtools in Google Chrome prior to 140.0.7339.80 allowed a remote attacker to execute arbitrary code via user action in Devtools.
Published Nov 7, 2025 · catalog updated Feb 26, 2026 · Google Chrome
Last checked Nov 2, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2025-12907. EPSS is 0.29%. Act only if a listed version of Google Chrome is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2026-76024 · Medium
- CVE-2026-76026 · High
- CVE-2026-118309 · Critical
- CVE-2026-118346 · High
- CVE-2026-118332 · Critical
- Severity
- High8.8
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.29%
- Remediation
- Version ranges on file
- Affected products
- vendor Google Chrome 140.0.7339.80 <140.0.7339.80
Insufficient validation of untrusted input in Devtools in Google Chrome prior to 140.0.7339.80 allowed a remote attacker to execute arbitrary code via user action in Devtools. (Chromium security severity: Low)
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor Google Chrome 140.0.7339.80 <140.0.7339.80140.0.7339.80 <140.0.7339.80
How to fix CVE-2025-12907
Upgrade
CVE-2025-12907 lists a fix boundary at 140.0.7339.80. Compare the installed build with that boundary before you change production.
Version check
Seen in 140.0.7339.80 <140.0.7339.80
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2025-12907. EPSS is 0.29%. Act only if a listed version of Google Chrome is installed.
Which versions are affected?
Compare what you have installed with Google Chrome 140.0.7339.80 <140.0.7339.80 140.0.7339.80 <140.0.7339.80. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.29%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Nov 7, 2025 · EUVD
Detected
Insufficient validation of untrusted input in Devtools in Google Chrome prior to 140.0.7339.80 allowed a remote attacker to execute arbitrary code via user action in Devtools. (Chromium security severity: Low)
Feb 26, 2026 · EUVD
Updated
Insufficient validation of untrusted input in Devtools in Google Chrome prior to 140.0.7339.80 allowed a remote attacker to execute arbitrary code via user action in Devtools. (Chromium security severity: Low)
Sources
- CVE.orgVulnerability recordCVE-2025-12907
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-12907
30-day exploitation probability 0.29%
first.org - EUVDVulnerability recordEUVD-2025-38338
Insufficient validation of untrusted input in Devtools in Google Chrome prior to 140.0.7339.80 allowed a remote attacker to execute arbitrary code via user action in Devtools. (Chromium security severity: Low)
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Nov 2, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSNov 2, 2026
- CVE.orgOct 24, 2026
- EUVDOct 24, 2026