8.8

CVE-2026-16421: google chrome Improper Input Validation

Analyzed
AliasesDEBIAN-CVE-2026-16421
Published 21-07-2026Last modified 24-07-2026

Vulnerability summary

CVE-2026-16421 is a high (CVSS 8.8) Improper Input Validation vulnerability in google chrome. EPSS estimates a 0.52% chance of exploitation in the next 30 days, higher than 43.5% 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 · +0.19 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3 · Related 3
OPENSUSE-SU-2026:11346-1OPENSUSE-SU-2026:21438-1OPENSUSE-SU-2026:21498-1

Timeline

  1. 21-07-2026
    PublishedVulnerability first disclosed.
  2. 24-07-2026
    Last modifiedVulnerability information updated.

Description

Inappropriate implementation in WebAudio in Google Chrome prior to 150.0.7871.182 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

44%

Versus all other CVEs

30-day change

Increase +0.19 pp

From 0.33% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • chromium< 150.0.7871.181-1~deb12u1 | < 150.0.7871.181-1~deb13u1 | < 150.0.7871.181-1
Google1 product
  • chrome≥ 150.0.7871.182, < 150.0.7871.182 | < 150.0.7871.182

2 vendors · 2 products

References

3 links