CVE-2026-118329: Improper input validation in ANGLE in Google Chrome on on Mac prior to 156.0.8078.73 allowed a remote attacker

Q: How do I fix CVE-2026-118329?

chrome: upgrade to 156.0.8078.73. Exact commands for each OS are on this page.

Q: Is CVE-2026-118329 being exploited?

CVE-2026-118329 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-2026-118329 affect?

CVE-2026-118329 affects chrome. Severity is high (CVSS 8.8). Improper input validation in ANGLE in Google Chrome on on Mac prior to 156.0.8078.73 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

Routine

HIGH 8.8UPGRADE

CVE-2026-118329 is a high-severity flaw (CVSS 8.8) affecting chrome. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper input validation in ANGLE in Google Chrome on on Mac prior to 156.0.8078.73 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 81%)
CISA exploited list	No
Weakness	CWE-20
Published	2026-10-27
Last modified	2026-10-28

Publisher (CNA): Chrome · Vendor: google

Last updated 2026-10-28 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-10-27 23:17 UTCPublished CVE record published
2026-10-28 19:08 UTCUpdated Record last modified

google chrome UPGRADE

Affected: < 156.0.8078.73

Fixed in: 156.0.8078.73

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 156.0.8078.73 (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.

Advisories and coverage

Research and news

Vulners Bulletins: CVE-2026-118329 2026-10-27

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-2026-118329?

chrome: upgrade to 156.0.8078.73. Exact commands for each OS are on this page.

Is CVE-2026-118329 being exploited?

CVE-2026-118329 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-2026-118329 affect?

CVE-2026-118329 affects chrome. Severity is high (CVSS 8.8). Improper input validation in ANGLE in Google Chrome on on Mac prior to 156.0.8078.73 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

How urgent is CVE-2026-118329?

Priority 36/100. High severity

Software pages

Google Chrome vulnerabilities · Chromium vulnerabilities

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References

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