CVE-2026-13864: Insufficient policy enforcement in WebHID in Google Chrome prior to 150.0.7871.47 allowed an attacker who conv

Q: How do I fix CVE-2026-13864?

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

Q: Is CVE-2026-13864 being exploited?

CVE-2026-13864 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-2026-13864 affect?

CVE-2026-13864 affects chrome. Severity is high (CVSS 8.1). Insufficient policy enforcement in WebHID in Google Chrome prior to 150.0.7871.47 allowed an attacker who convinced a user to install a malicious extension to perform privilege escalation via a crafted Chrome Extension. (Chromium security s

Q: How urgent is CVE-2026-13864?

Priority 39/100. High severity; Remotely exploitable, no login, no user action

Routine

HIGH 8.1REMOTEUPGRADE

CVE-2026-13864 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 policy enforcement in WebHID in Google Chrome prior to 150.0.7871.47 allowed an attacker who convinced a user to install a malicious extension to perform privilege escalation via a crafted Chrome Extension. (Chromium security severity: Medium)

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 79%)
CISA exploited list	No
Weakness	CWE-284
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 21:10 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-2026-13864?

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

Is CVE-2026-13864 being exploited?

CVE-2026-13864 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-2026-13864 affect?

CVE-2026-13864 affects chrome. Severity is high (CVSS 8.1). Insufficient policy enforcement in WebHID in Google Chrome prior to 150.0.7871.47 allowed an attacker who convinced a user to install a malicious extension to perform privilege escalation via a crafted Chrome Extension. (Chromium security s

How urgent is CVE-2026-13864?

Priority 39/100. High severity; Remotely exploitable, no login, no user action

Software pages

Google Chrome vulnerabilities · Chromium vulnerabilities

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References

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