CVE-2026-113116: Use after free in DevTools in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially ex

Q: How do I fix CVE-2026-113116?

chrome: upgrade to 156.0.8078.47. Exact commands for each OS are on this page.

Q: Is CVE-2026-113116 being exploited?

CVE-2026-113116 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-2026-113116 affect?

CVE-2026-113116 affects chrome. Severity is critical (CVSS 9.6). Use after free in DevTools in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Low)

Q: How urgent is CVE-2026-113116?

Priority 43/100. Critical severity

This month

CRITICAL 9.6UPGRADE

CVE-2026-113116 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 DevTools in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Low)

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	0.5% (top 62%)
CISA exploited list	No
Weakness	CWE-416
Published	2026-10-20
Last modified	2026-10-22

Publisher (CNA): Chrome · Vendor: google

Am I affected?

Timeline

2026-10-20Published CVE record published
2026-10-22 23:18 UTCUpdated Record last modified

google chrome UPGRADE

Affected: < 156.0.8078.47

Fixed in: 156.0.8078.47

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 156.0.8078.47 (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.

Exact fixes by distribution

Fedora 46 · retext · FIXED · 8.1.0-1.fc46 · FEDORA-2026-0602a84203 · source

sudo dnf upgrade --advisory=FEDORA-2026-0602a84203

Ubuntu 22.04 · chromium-browser · NOT AFFECTED

Ubuntu 24.04 · chromium-browser · NOT AFFECTED

Debian 12 · chromium · FIXED · 156.0.8078.47-1~deb12u1

sudo apt update && sudo apt install --only-upgrade chromium dpkg --compare-versions "$(dpkg-query -W -f='${Version}' chromium)" ge "156.0.8078.47-1~deb12u1" && echo PATCHED || echo STILL-VULNERABLE

Debian 13 · chromium · FIXED · 156.0.8078.47-1~deb13u1

sudo apt update && sudo apt install --only-upgrade chromium dpkg --compare-versions "$(dpkg-query -W -f='${Version}' chromium)" ge "156.0.8078.47-1~deb13u1" && echo PATCHED || echo STILL-VULNERABLE

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-2026-113116?

chrome: upgrade to 156.0.8078.47. Exact commands for each OS are on this page.

Is CVE-2026-113116 being exploited?

CVE-2026-113116 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-2026-113116 affect?

CVE-2026-113116 affects chrome. Severity is critical (CVSS 9.6). Use after free in DevTools in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Low)

How urgent is CVE-2026-113116?

Priority 43/100. Critical severity

Software pages

Google Chrome vulnerabilities · Chromium vulnerabilities

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References

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