CVE-2026-17927: Insufficient policy enforcement in Google Chrome
CVE-2026-17927 is a vulnerability in Google Chrome's DevTools prior to version 151.0.7922.72. It involves insufficient policy enforcement that could allow an attacker to leak cross-origin data by convincing a user to install a malicious Chrome extension. The vulnerability has a medium severity rating with a CVSS score of 4.3. No known exploits are reported in the wild. A fixed version, 151.0.7922.72, is indicated, but explicit patch status is not confirmed in the vendor advisory.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-17927) affects Google Chrome versions before 151.0.7922.72. It stems from insufficient policy enforcement in the DevTools component, which could be exploited by an attacker who persuades a user to install a crafted malicious extension. This crafted extension could then leak cross-origin data, violating the same-origin policy. The vulnerability is classified under CWE-346 (Insufficient Authorization). The CVSS 3.1 base score is 4.3, reflecting a medium impact primarily on confidentiality with no integrity or availability impact. The vendor advisory URL is provided but does not explicitly confirm patch availability or remediation level.
Potential Impact
The vulnerability allows an attacker to leak cross-origin data if a user installs a malicious extension, potentially exposing sensitive information across origins. There is no reported impact on integrity or availability. No known active exploitation has been reported.
Mitigation Recommendations
A fixed version 151.0.7922.72 is indicated as the version where this issue is resolved. However, the vendor advisory does not explicitly confirm the patch status or remediation level. Users should update to version 151.0.7922.72 or later once available. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
CVE-2026-17927: Insufficient policy enforcement in Google Chrome
Description
CVE-2026-17927 is a vulnerability in Google Chrome's DevTools prior to version 151.0.7922.72. It involves insufficient policy enforcement that could allow an attacker to leak cross-origin data by convincing a user to install a malicious Chrome extension. The vulnerability has a medium severity rating with a CVSS score of 4.3. No known exploits are reported in the wild. A fixed version, 151.0.7922.72, is indicated, but explicit patch status is not confirmed in the vendor advisory.
CVSS v3.1
Score 4.3medium
Affected software
Chrome
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-17927) affects Google Chrome versions before 151.0.7922.72. It stems from insufficient policy enforcement in the DevTools component, which could be exploited by an attacker who persuades a user to install a crafted malicious extension. This crafted extension could then leak cross-origin data, violating the same-origin policy. The vulnerability is classified under CWE-346 (Insufficient Authorization). The CVSS 3.1 base score is 4.3, reflecting a medium impact primarily on confidentiality with no integrity or availability impact. The vendor advisory URL is provided but does not explicitly confirm patch availability or remediation level.
Potential Impact
The vulnerability allows an attacker to leak cross-origin data if a user installs a malicious extension, potentially exposing sensitive information across origins. There is no reported impact on integrity or availability. No known active exploitation has been reported.
Mitigation Recommendations
A fixed version 151.0.7922.72 is indicated as the version where this issue is resolved. However, the vendor advisory does not explicitly confirm the patch status or remediation level. Users should update to version 151.0.7922.72 or later once available. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-07-27T23:37:02.128Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html","vendor":"Google"}]
Threat ID: 6a6aa0a59c2644c7f849ba5f
Added to database: 07/30/2026, 00:53:57 UTC
Last enriched: 08/06/2026, 17:38:09 UTC
Last updated: 09/12/2026, 22:01:31 UTC
Views: 41
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