Vulnerability · Published Nov 3, 2026 · Assigned by Chrome
CVE-2026-121227
Unrated
In plain English
A security flaw in Chrome from Google. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities).
Severity (CVSS )–Not rated
Exploit odds (30 days)0.2%top 89.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Uninitialized resource in Skia in Google Chrome prior to 157.0.8103.38 allowed a remote attacker who had compromised the renderer process to read memory outside the sandbox via a crafted HTML page. (Chromium security severity: High)
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | chromium | no fix listed | DEBIAN-CVE-2026-121227 |
| Debian:13 | chromium | no fix listed | DEBIAN-CVE-2026-121227 |
| Debian:14 | chromium | no fix listed | DEBIAN-CVE-2026-121227 |
Affected products (as reported)
Weakness: CWE-908