CVE-2026-15773: Use after free in Core in Google Chrome on Windows prior to 150.0.7871.125 allowed a remote attacker to potent

Q: How do I fix CVE-2026-15773?

chrome: upgrade to 150.0.7871.125. Exact commands for each OS are on this page.

Q: Is CVE-2026-15773 being exploited?

CVE-2026-15773 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-2026-15773 affect?

CVE-2026-15773 affects chrome. Severity is critical (CVSS 9.6). Use after free in Core in Google Chrome on Windows prior to 150.0.7871.125 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

Q: How urgent is CVE-2026-15773?

Priority 41/100. Critical severity

This month

CRITICAL 9.6UPGRADE

CVE-2026-15773 is a critical-severity flaw (CVSS 9.6) affecting chrome. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Use after free in Core in Google Chrome on Windows prior to 150.0.7871.125 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

Why this priority

Critical severity

A fixed release or distro patch exists.

Risk facts

CVSS score	9.6 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.4% (top 70%)
CISA exploited list	No
Weakness	CWE-416
Published	2026-07-14
Last modified	2026-10-24

Publisher (CNA): Chrome · Vendor: google

Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-14 21:16 UTCPublished CVE record published
2026-10-24 21:10 UTCUpdated Record last modified

google chrome UPGRADE

Affected: < 150.0.7871.125

Fixed in: 150.0.7871.125

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 150.0.7871.125 (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-2026-15773?

chrome: upgrade to 150.0.7871.125. Exact commands for each OS are on this page.

Is CVE-2026-15773 being exploited?

CVE-2026-15773 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-2026-15773 affect?

CVE-2026-15773 affects chrome. Severity is critical (CVSS 9.6). Use after free in Core in Google Chrome on Windows prior to 150.0.7871.125 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

How urgent is CVE-2026-15773?

Priority 41/100. Critical severity

Software pages

Windows vulnerabilities · Google Chrome vulnerabilities · Chromium vulnerabilities

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References

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