CVE-2026-17662: Insufficient policy enforcement in Prefetch in Google Chrome prior to 151.0.7922.72 allowed a remote attacker
CVE-2026-17662 is a medium-severity flaw (CVSS 4.3) affecting chrome. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Insufficient policy enforcement in Prefetch in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.3 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.2% (top 89%) |
| CISA exploited list | No |
| Weakness | CWE-346 |
| Published | 2026-07-30 |
| Last modified | 2026-10-24 |
Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
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-2026-17662?
chrome: upgrade to 151.0.7922.72. Exact commands for each OS are on this page.
Is CVE-2026-17662 being exploited?
CVE-2026-17662 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-2026-17662 affect?
CVE-2026-17662 affects chrome. Severity is medium (CVSS 4.3). Insufficient policy enforcement in Prefetch in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)
How urgent is CVE-2026-17662?
Priority 18/100. No elevated risk signals yet.
Software pages
Google Chrome vulnerabilities · Chromium vulnerabilities
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