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PatchSiren cyber security CVE debrief

CVE-2026-5905 Google CVE debrief

CVE-2026-5905 is a MEDIUM severity vulnerability in Google Chrome on Windows, allowing domain spoofing via a crafted HTML page. The vulnerability is due to incorrect security UI in Permissions. This issue affects users who have not updated Google Chrome to version 147.0.7727.55 or later. The vulnerability has a CVSS score of 6.5 and is considered a Low severity by Chromium. The CVE record was published on 2026-04-08T22:16:30.397Z and last modified on 2026-07-24T08:10:00.150Z.

Vendor
Google
Product
Chrome
CVSS
MEDIUM 6.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-04-08
Original CVE updated
2026-07-24
Advisory published
2026-04-08
Advisory updated
2026-07-24

Who should care

Users of Google Chrome on Windows should apply the update to prevent potential domain spoofing attacks. This vulnerability affects users who have not updated Google Chrome to version 147.0.7727.55 or later. Security teams and administrators responsible for managing Google Chrome deployments should prioritize updating to the latest version. Additionally, defenders should review compensating controls for exposed systems while remediation is scheduled and verified.

Technical summary

The vulnerability is caused by incorrect security UI in Permissions in Google Chrome on Windows prior to version 147.0.7727.55. A remote attacker can exploit this vulnerability by crafting an HTML page to perform domain spoofing. The vulnerability has a CVSS score of 6.5 and is considered a MEDIUM severity vulnerability. The incorrect security UI in Permissions allows an attacker to deceive users into visiting a malicious website that appears to be a legitimate one.

Defensive priority

Medium priority, as it requires user interaction and has a CVSS score of 6.5.

Recommended defensive actions

  • Apply the latest update for Google Chrome on Windows
  • Ensure that Google Chrome is configured to automatically update
  • Monitor Google Chrome for any suspicious activity
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record was published on 2026-04-08T22:16:30.397Z and last modified on 2026-07-24T08:10:00.150Z. The NVD entry is currently Analyzed. The vulnerability is related to Google Chrome on Windows, and its incorrect security UI in Permissions allows domain spoofing via a crafted HTML page. The CVE record was created based on limited source information and may not fully represent the vulnerability's scope or impact. Defenders should verify the affected scope and vendor guidance.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-04-08T22:16:30.397Z and has not been modified since then. The NVD entry is currently Analyzed.