CVE-2026-19143: Insufficient validation of untrusted input in WebAPKs in Google Chrome on Android prior to 151.0.7922.109 allo

Q: How do I fix CVE-2026-19143?

chrome: upgrade to 151.0.7922.109. Exact commands for each OS are on this page.

Q: Is CVE-2026-19143 being exploited?

CVE-2026-19143 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-19143 affect?

CVE-2026-19143 affects chrome. Severity is high (CVSS 8.6). Insufficient validation of untrusted input in WebAPKs in Google Chrome on Android prior to 151.0.7922.109 allowed a local attacker to potentially perform a sandbox escape via a malicious file. (Chromium security severity: High)

Routine

HIGH 8.6UPGRADE

CVE-2026-19143 is a high-severity flaw (CVSS 8.6) affecting chrome. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Insufficient validation of untrusted input in WebAPKs in Google Chrome on Android prior to 151.0.7922.109 allowed a local attacker to potentially perform a sandbox escape via a malicious file. (Chromium security severity: High)

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.6 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.1% (top 98%)
CISA exploited list	No
Weakness	CWE-20
Published	2026-08-06
Last modified	2026-10-23

Publisher (CNA): Chrome · Vendor: google

Last updated 2026-10-23 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-08-06 22:16 UTCPublished CVE record published
2026-10-23 21:10 UTCUpdated Record last modified

google chrome UPGRADE

Affected: < 151.0.7922.109

Fixed in: 151.0.7922.109

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy chrome || rpm -q chrome || chrome --version

2. UPGRADE to 151.0.7922.109 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade chrome

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade chrome

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Exact fixes by distribution

Fedora 46 · uv · FIXED · 0.13.5-2.fc46 · FEDORA-2026-0a45cde16b · source

sudo dnf upgrade --advisory=FEDORA-2026-0a45cde16b

Fedora ELN · oo7 · FIXED · 0.7.0~beta-3.eln159 · FEDORA-2026-f348262964 · source

sudo dnf upgrade --advisory=FEDORA-2026-f348262964

Ubuntu 22.04 · chromium-browser · NOT AFFECTED

Ubuntu 24.04 · chromium-browser · NOT AFFECTED

Debian 12 · chromium · FIXED · 151.0.7922.108-1~deb12u1

sudo apt update && sudo apt install --only-upgrade chromium dpkg --compare-versions "$(dpkg-query -W -f='${Version}' chromium)" ge "151.0.7922.108-1~deb12u1" && echo PATCHED || echo STILL-VULNERABLE

Debian 13 · chromium · FIXED · 151.0.7922.108-1~deb13u1

sudo apt update && sudo apt install --only-upgrade chromium dpkg --compare-versions "$(dpkg-query -W -f='${Version}' chromium)" ge "151.0.7922.108-1~deb13u1" && echo PATCHED || echo STILL-VULNERABLE

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: issues.chromium.org/issues/517772612

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-19143?

chrome: upgrade to 151.0.7922.109. Exact commands for each OS are on this page.

Is CVE-2026-19143 being exploited?

CVE-2026-19143 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-19143 affect?

CVE-2026-19143 affects chrome. Severity is high (CVSS 8.6). Insufficient validation of untrusted input in WebAPKs in Google Chrome on Android prior to 151.0.7922.109 allowed a local attacker to potentially perform a sandbox escape via a malicious file. (Chromium security severity: High)

How urgent is CVE-2026-19143?

Priority 31/100. High severity

Software pages

Android vulnerabilities · Google Chrome vulnerabilities · Chromium vulnerabilities

Related CVEs

CVE-2026-16420 HIGH 8.8 UPGRADE Type Confusion in WebAudio in Google Chrome prior to 150.0.7871.182 allowed a remote attacker to execute arbit
CVE-2026-16421 HIGH 8.8 UPGRADE Inappropriate implementation in WebAudio in Google Chrome prior to 150.0.7871.182 allowed a remote attacker to
CVE-2026-16418 HIGH 8.8 UPGRADE Stack buffer overflow in V8 in Google Chrome prior to 150.0.7871.182 allowed a remote attacker to execute arbi
CVE-2026-16424 CRITICAL 9.6 UPGRADE Use after free in GPU in Google Chrome on Android prior to 150.0.7871.182 allowed a remote attacker who had co
CVE-2026-16419 CRITICAL 9.6 UPGRADE Out of bounds read and write in ANGLE in Google Chrome on Android prior to 150.0.7871.182 allowed a remote att

References

← Back to latest CVEs