8.8

CVE-2026-15121: google chrome Use After Free

CVSS: 8.8v3.1HighAnalyzed
AliasesDEBIAN-CVE-2026-15121CGA-8ch4-9p8x-h9wmCGA-f7jm-664m-xmwg
Published 08-07-2026Last modified 10-07-2026
Open JSON

Vulnerability summary

CVE-2026-15121 is a high (CVSS 8.8) Use After Free vulnerability in google chrome. EPSS estimates a 0.52% chance of exploitation in the next 30 days, higher than 43.4% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.52%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 3
OPENSUSE-SU-2026:11254-1OPENSUSE-SU-2026:21498-1CGA-3J6M-W436-M788

Timeline

  1. 08-07-2026
    PublishedVulnerability first disclosed.
  2. 10-07-2026
    Last modifiedVulnerability information updated.

Description

Use after free in WebRTC in Google Chrome prior to 150.0.7871.115 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.52%

Chance of exploitation in the next 30 days

Percentile

43%

Versus all other CVEs

30-day change

0.00 pp

From 0.52% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.52%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Chainguard3 products
  • chromium< 150.0.7871.114-r0
  • chromium-docker-selenium-compat< 150.0.7871.124-r0
  • chromium-lang< 150.0.7871.124-r0
Wolfi3 products
  • chromium< 150.0.7871.114-r0
  • chromium-docker-selenium-compat< 150.0.7871.124-r0
  • chromium-lang< 150.0.7871.124-r0
Debian1 product
  • chromium< 150.0.7871.114-1~deb12u1 | < 150.0.7871.114-1~deb13u1 | < 150.0.7871.114-1
Google1 product
  • chrome≥ 150.0.7871.115, < 150.0.7871.115 | < 150.0.7871.115

4 vendors · 8 products

References

3 links