7.8

CVE-2026-13863: google chrome Improper Input Validation

CVSS: 7.8v3.1HighAnalyzed
AliasesDEBIAN-CVE-2026-13863CGA-8m8v-552p-hx5mCGA-pw3f-p5ww-f4j2
Published 30-06-2026Last modified 02-07-2026
Open JSON

Vulnerability summary

CVE-2026-13863 is a high (CVSS 7.8) Improper Input Validation vulnerability in google chrome. EPSS estimates a 0.13% chance of exploitation in the next 30 days, higher than 2.3% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.13%
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 3 · Related 4
OPENSUSE-SU-2026:11184-1OPENSUSE-SU-2026:21279-1OPENSUSE-SU-2026:21498-1CGA-WPR5-832Q-6HVW

Timeline

  1. 30-06-2026
    PublishedVulnerability first disclosed.
  2. 02-07-2026
    Last modifiedVulnerability information updated.

Description

Insufficient validation of untrusted input in CustomTabs in Google Chrome on Android prior to 150.0.7871.47 allowed a local attacker to perform privilege escalation via a malicious file. (Chromium security severity: Medium)

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.13%

Chance of exploitation in the next 30 days

Percentile

2%

Versus all other CVEs

30-day change

0.00 pp

From 0.13% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.13%

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< 150.0.7871.100-r2
  • chromium-docker-selenium-compat< 150.0.7871.100-r2
  • chromium-lang< 150.0.7871.100-r2
Wolfi3 products
  • chromium< 150.0.7871.100-r2
  • chromium-docker-selenium-compat< 150.0.7871.100-r2
  • chromium-lang< 150.0.7871.100-r2
Debian1 product
  • chromium< 150.0.7871.46-1~deb12u1 | < 150.0.7871.46-1~deb13u1 | < 150.0.7871.46-1
Google1 product
  • chrome≥ 150.0.7871.47, < 150.0.7871.47 | < 150.0.7871.47

4 vendors · 8 products

References

3 links