4.3

CVE-2026-87469: google chrome Improper Input Validation

Analyzed
AliasesDEBIAN-CVE-2026-87469
Published 09-09-2026Last modified 14-09-2026

Vulnerability summary

CVE-2026-87469 is a medium (CVSS 4.3) Improper Input Validation vulnerability in google chrome. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 14.2% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 4.3, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
4.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.23%
0%100%
Low · 0.00 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-2026:11750-1OPENSUSE-SU-2026:21858-1OPENSUSE-SU-2026:21921-1

Timeline

  1. 09-09-2026
    PublishedVulnerability first disclosed.
  2. 14-09-2026
    Last modifiedVulnerability information updated.

Description

Improper input validation in Extensions in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass web origin policy into a privileged page via crafted network traffic. (Chromium security severity: Low)

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.23%

Chance of exploitation in the next 30 days

Percentile

14%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.23% on 04-10-2026

04-10-202603-11-2026

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

Version check

Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.

Debian1 product
  • chromium< 153.0.8010.52-1~deb12u1 | < 153.0.8010.47-2~deb13u1 | < 153.0.8010.47-1
Google1 product
  • chrome≥ 153.0.8010.36, < 153.0.8010.36 | < 153.0.8010.36

2 vendors · 2 products

References

3 links