CVE-2026-17789: Insufficient validation of untrusted input in Chrome for iOS in Google Chrome on iOS prior to 151.0.7922.72 al

Q: How do I fix CVE-2026-17789?

chrome: upgrade to 151.0.7922.72. Exact commands for each OS are on this page.

Q: Is CVE-2026-17789 being exploited?

CVE-2026-17789 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-2026-17789 affect?

CVE-2026-17789 affects chrome. Severity is medium (CVSS 6.5). Insufficient validation of untrusted input in Chrome for iOS in Google Chrome on iOS prior to 151.0.7922.72 allowed a remote attacker to bypass navigation restrictions via malicious network traffic. (Chromium security severity: Medium)

Q: How urgent is CVE-2026-17789?

Priority 27/100. No elevated risk signals yet.

Routine

MEDIUM 6.5UPGRADE

CVE-2026-17789 is a medium-severity flaw (CVSS 6.5) 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 Chrome for iOS in Google Chrome on iOS prior to 151.0.7922.72 allowed a remote attacker to bypass navigation restrictions via malicious network traffic. (Chromium security severity: Medium)

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
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	2026-07-30
Last modified	2026-10-23

Publisher (CNA): Chrome · Vendor: google

Am I affected?

Timeline

2026-07-30 01:16 UTCPublished CVE record published
2026-10-23 23:10 UTCUpdated Record last modified

google chrome UPGRADE

Affected: < 151.0.7922.72

Fixed in: 151.0.7922.72

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 151.0.7922.72 (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-2026-17789?

chrome: upgrade to 151.0.7922.72. Exact commands for each OS are on this page.

Is CVE-2026-17789 being exploited?

CVE-2026-17789 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-2026-17789 affect?

CVE-2026-17789 affects chrome. Severity is medium (CVSS 6.5). Insufficient validation of untrusted input in Chrome for iOS in Google Chrome on iOS prior to 151.0.7922.72 allowed a remote attacker to bypass navigation restrictions via malicious network traffic. (Chromium security severity: Medium)

How urgent is CVE-2026-17789?

Priority 27/100. No elevated risk signals yet.

Software pages

iOS vulnerabilities · Google Chrome vulnerabilities · Chromium vulnerabilities

Related CVEs

CVE-2026-17655 CRITICAL 9.6 UPGRADE Insufficient validation of untrusted input in ANGLE in Google Chrome prior to 151.0.7922.72 allowed a remote a
CVE-2026-17687 CRITICAL 9.6 UPGRADE Type Confusion in ANGLE in Google Chrome prior to 151.0.7922.72 allowed a remote attacker who had compromised
CVE-2026-17697 CRITICAL 9.6 UPGRADE Type Confusion in ANGLE in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to potentially perfo
CVE-2026-17671 CRITICAL 9.6 UPGRADE Insufficient validation of untrusted input in ANGLE in Google Chrome prior to 151.0.7922.72 allowed a remote a
CVE-2026-17676 CRITICAL 9.6 UPGRADE Inappropriate implementation in ANGLE in Google Chrome on Android prior to 151.0.7922.72 allowed a remote atta

References

← Back to latest CVEs