CVE-2026-17760: Side-channel information leakage in Google Chrome
CVE-2026-17760 is a medium severity side-channel information leakage vulnerability in Google Chrome's NoStatePrefetch feature. It affects versions prior to 151.0.7922.72 and allows a remote attacker to leak cross-origin data via a crafted HTML page. The vulnerability does not impact integrity or availability, only confidentiality. No known exploits are reported in the wild. A vendor advisory is available but does not explicitly confirm patch status.
AI Analysis
Technical Summary
This vulnerability involves side-channel information leakage in the NoStatePrefetch component of Google Chrome before version 151.0.7922.72. An attacker can exploit this flaw by crafting a malicious HTML page that causes cross-origin data leakage. The issue is categorized under CWE-346 (Origin Validation Error). The CVSS v3.1 base score is 4.3, reflecting a medium severity with network attack vector, low attack complexity, no privileges required, user interaction required, and impact limited to confidentiality.
Potential Impact
The vulnerability allows remote attackers to leak cross-origin information, potentially exposing sensitive data from other origins. There is no impact on data integrity or availability. The medium severity rating reflects the limited scope of the confidentiality impact and the requirement for user interaction.
Mitigation Recommendations
The vendor advisory linked does not explicitly state the availability of a patch or remediation level. Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html for current remediation guidance. Users should update to version 151.0.7922.72 or later once confirmed patched. Until then, cautious browsing and avoiding untrusted HTML content can reduce exposure.
CVE-2026-17760: Side-channel information leakage in Google Chrome
Description
CVE-2026-17760 is a medium severity side-channel information leakage vulnerability in Google Chrome's NoStatePrefetch feature. It affects versions prior to 151.0.7922.72 and allows a remote attacker to leak cross-origin data via a crafted HTML page. The vulnerability does not impact integrity or availability, only confidentiality. No known exploits are reported in the wild. A vendor advisory is available but does not explicitly confirm patch status.
CVSS v3.1
Score 4.3medium
Affected software
Chrome
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves side-channel information leakage in the NoStatePrefetch component of Google Chrome before version 151.0.7922.72. An attacker can exploit this flaw by crafting a malicious HTML page that causes cross-origin data leakage. The issue is categorized under CWE-346 (Origin Validation Error). The CVSS v3.1 base score is 4.3, reflecting a medium severity with network attack vector, low attack complexity, no privileges required, user interaction required, and impact limited to confidentiality.
Potential Impact
The vulnerability allows remote attackers to leak cross-origin information, potentially exposing sensitive data from other origins. There is no impact on data integrity or availability. The medium severity rating reflects the limited scope of the confidentiality impact and the requirement for user interaction.
Mitigation Recommendations
The vendor advisory linked does not explicitly state the availability of a patch or remediation level. Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html for current remediation guidance. Users should update to version 151.0.7922.72 or later once confirmed patched. Until then, cautious browsing and avoiding untrusted HTML content can reduce exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-07-27T23:34:39.538Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html","vendor":"Google"}]
Threat ID: 6a6aa08e9c2644c7f849b0cd
Added to database: 07/30/2026, 00:53:34 UTC
Last enriched: 08/06/2026, 17:51:13 UTC
Last updated: 09/11/2026, 19:31:53 UTC
Views: 50
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