VulnTideExploited vulnerabilities, by vendor. Data as of .
Not in CISA KEVPublished CVSS 9.6 criticalEPSS 0.4% probability of exploitation in 30 days
Google

CVE-2026-121035: Use after free in Prerender in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to execute arbitrary co…

Is it exploited?

Not on CISA's list. CISA has not added it to the Known Exploited Vulnerabilities catalog as of . If CISA adds it, this page shows it as known exploited.

How likely is exploitation in the next 30 days?
0.4%

EPSS score, percentile 39 of all scored records. A probability estimated by FIRST, not a report of exploitation.

How severe?
9.6 Critical

CVSS v3.1 base score, from CISA's enrichment of the record

What should I do?

CISA has set no required action, because the vulnerability is not in KEV.

No patch or vendor advisory is listed in the CVE record. Check Google's advisories.

Which versions are affected?

Affected

  • from 157.0.8103.38 to before 157.0.8103.38

Versions by product

Source: CISA KEV 2026.11.10, as of ; FIRST EPSS, as of ; CVE List, as of . About the data.

Description

Use after free in Prerender in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

Source: CVE List, as of . About the data.

What to do

Advisories and patches

No patch, vendor advisory or mitigation is listed in the CVE record. Check Google's own security advisories for a fix, and compare your version with the affected versions below.

This summary is based on the CVE record as of . Check the vendor's advisory before you act: affected versions and fixes can change.

Affected products and versions

Versions by product, as listed in the CVE record (1 product)
Google Chrome
StatusVersions
Affectedfrom 157.0.8103.38 to before 157.0.8103.38

Source: CVE List, as of . About the data.

Weakness

CWE-416

CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record.

Timeline

DateEvent
CVE record published
CVE record last updated

References

2

Known exploited Google vulnerabilities

  • CVE-2026-125350: Google Chromium Use-After-Free Vulnerability (added )
  • CVE-2026-111497: Google Brotli Unchecked Return Value Vulnerability (added )
  • CVE-2026-58704: Google Pixel Improper Authorization Vulnerability (added )
  • CVE-2026-87491: Google Chromium V8 Out of Bounds Write Vulnerability (added )
  • CVE-2026-85046: Google Chromium V8 Type Confusion Vulnerability (added )