CVE-2026-14122: Insufficient validation of untrusted input in WebAppInstalls in Google Chrome on Windows prior to 150.0.7871.4

Q: How do I fix CVE-2026-14122?

chrome: upgrade to 150.0.7871.47. Exact commands for each OS are on this page.

Q: Is CVE-2026-14122 being exploited?

CVE-2026-14122 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-2026-14122 affect?

CVE-2026-14122 affects chrome. Severity is high (CVSS 8.1). Insufficient validation of untrusted input in WebAppInstalls in Google Chrome on Windows prior to 150.0.7871.47 allowed a remote attacker to perform arbitrary read/write via a crafted HTML page. (Chromium security severity: Low)

Routine

HIGH 8.1UPGRADE

CVE-2026-14122 is a high-severity flaw (CVSS 8.1) 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 WebAppInstalls in Google Chrome on Windows prior to 150.0.7871.47 allowed a remote attacker to perform arbitrary read/write via a crafted HTML page. (Chromium security severity: Low)

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 79%)
CISA exploited list	No
Weakness	CWE-20
Published	2026-06-30
Last modified	2026-10-25

Publisher (CNA): Chrome · Vendor: google

Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-30 23:17 UTCPublished CVE record published
2026-10-25 17:10 UTCUpdated Record last modified

google chrome UPGRADE

Affected: < 150.0.7871.47

Fixed in: 150.0.7871.47

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 150.0.7871.47 (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.

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-2026-14122?

chrome: upgrade to 150.0.7871.47. Exact commands for each OS are on this page.

Is CVE-2026-14122 being exploited?

CVE-2026-14122 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-2026-14122 affect?

CVE-2026-14122 affects chrome. Severity is high (CVSS 8.1). Insufficient validation of untrusted input in WebAppInstalls in Google Chrome on Windows prior to 150.0.7871.47 allowed a remote attacker to perform arbitrary read/write via a crafted HTML page. (Chromium security severity: Low)

How urgent is CVE-2026-14122?

Priority 34/100. High severity

Software pages

Windows vulnerabilities · Google Chrome vulnerabilities · Chromium vulnerabilities

Related CVEs

CVE-2026-14121 CRITICAL 9.8 UPGRADE Use after free in Chromoting in Google Chrome on Linux prior to 150.0.7871.47 allowed a remote attacker to exe
CVE-2026-14104 CRITICAL 9.8 UPGRADE Insufficient validation of untrusted input in WebAppInstalls in Google Chrome prior to 150.0.7871.47 allowed a
CVE-2026-13776 CRITICAL 9.8 UPGRADE Type Confusion in Dawn in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised t
CVE-2026-13782 CRITICAL 10.0 UPGRADE Use after free in Browser in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromise
CVE-2026-13775 CRITICAL 9.8 UPGRADE Use after free in GPU in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised th

References

← Back to latest CVEs