Integer overflow in Compositing in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (CVE-2026-91746)
Integer overflow in Compositing in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: High)
AI Analysis
Technical Summary
CVE-2026-91746 describes an integer overflow in the Compositing functionality of Google Chrome versions before 153.0.8010.47. This flaw enables a remote attacker to bypass same-origin policy restrictions and access cross-origin data via a specially crafted HTML page. The vulnerability is classified under CWE-190 (Integer Overflow or Wraparound) and has a CVSS v3.1 base score of 4.3, indicating medium severity. There is no explicit vendor advisory or patch link provided in the data, and no known exploits in the wild have been reported.
Potential Impact
A successful exploitation of this vulnerability could allow an attacker to obtain data from other origins that should normally be inaccessible due to browser security policies. This could lead to information disclosure but does not affect integrity or availability according to the CVSS vector.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, users and administrators should monitor official Google Chrome security advisories for updates and apply the update to version 153.0.8010.47 or later once available.
Integer overflow in Compositing in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (CVE-2026-91746)
Description
Integer overflow in Compositing in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: High)
CVSS v3.1
Score 4.3medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-91746 describes an integer overflow in the Compositing functionality of Google Chrome versions before 153.0.8010.47. This flaw enables a remote attacker to bypass same-origin policy restrictions and access cross-origin data via a specially crafted HTML page. The vulnerability is classified under CWE-190 (Integer Overflow or Wraparound) and has a CVSS v3.1 base score of 4.3, indicating medium severity. There is no explicit vendor advisory or patch link provided in the data, and no known exploits in the wild have been reported.
Potential Impact
A successful exploitation of this vulnerability could allow an attacker to obtain data from other origins that should normally be inaccessible due to browser security policies. This could lead to information disclosure but does not affect integrity or availability according to the CVSS vector.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, users and administrators should monitor official Google Chrome security advisories for updates and apply the update to version 153.0.8010.47 or later once available.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-jqqr-2xrg-36hg
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-91746"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aaa07b155bf5e2cf5e88bdc
Added to database: 09/16/2026, 03:06:25 UTC
Last enriched: 09/16/2026, 03:10:54 UTC
Last updated: 09/16/2026, 04:01:23 UTC
Views: 2
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