High [CVE-2026-19169] Privilege escalation via crafted HTML page in Contextual Tasks
This high-severity Red Hat Linux advisory covers CVE-2026-19169.
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Summary
Insufficient validation of untrusted input in Contextual Tasks in Google Chrome prior to 151.0.7922.109 allowed a remote attacker to perform privilege escalation via a crafted HTML page. (Chromium security severity: High) This can be achieved by enticing a user to visit a crafted HTML page, leading to an attacker gaining elevated permissions within the browser.
The vulnerability is triggered by insufficient validation of untrusted input when a user visits a specially crafted HTML page, posing a significant risk to the confidentiality and integrity of user data for Red Hat users of the Chromium browser. Red Hat severity: Important — CVSS 8.3 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L).
Weakness: CWE-79.
- < 151.0.7922.109
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Mitigation
The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
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