Information disclosure via incorrect TabGroups authorization
Published Aug 25, 2026 · Updated Aug 25, 2026
Incorrect authorization in Google Chrome TabGroups before 152.0.7977.65 allows remote attackers to leak sensitive data via crafted network traffic. Google has not disclosed which TabGroups authorization check mishandles the traffic or what protected data crosses the authorization boundary. CISA assesses that exploitation requires user interaction and affects confidentiality without altering data or interrupting the browser.
Summary
What happened
Incorrect authorization in Google Chrome TabGroups before 152.0.7977.65 allows remote attackers to leak sensitive data via crafted network traffic. Google has not disclosed which TabGroups authorization check mishandles the traffic or what protected data crosses the authorization boundary. CISA assesses that exploitation requires user interaction and affects confidentiality without altering data or interrupting the browser.
The record
- CVE
- CVE-2026-79107
- Published
- Aug 25, 2026
- Updated
- Aug 25, 2026
- Vendor
- Google Cloud
- Product
- Google Chrome
- Classifications
- CWE-863
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Aug 25, 2026CVE publishedPublication date reported by the CVE source.
- Aug 25, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=152.0.7977.65 <152.0.7977.65
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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