EUVD-2026-65802
GHSA-xj3g-2rgp-qhjc
Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Network-delivered crafted page needs user interaction (UI:R) but no privileges (PR:N); sandbox escape changes scope (S:C) with total compromise, so C/I/A all High.
Primary rating from Vendor (Chrome).
CVSS VectorVendor: Chrome
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Lifecycle Timeline
4DescriptionCVE.org
Improper input validation in Media in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
AnalysisAI
Sandbox-escaping remote code execution affects Google Chrome desktop builds prior to 152.0.7977.65, where improper input validation in the Media component lets a remote attacker run arbitrary code outside the renderer sandbox when a victim opens a crafted HTML page. Rated Critical (CVSS 9.6) with a scope change reflecting the sandbox breakout, this is a High-severity Chromium issue reported internally by the Chrome team; no public exploit has been identified at time of analysis and it is not listed in CISA KEV. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the victim to load attacker-controlled content: a crafted HTML page processed by Chrome's Media subsystem (UI:R - user interaction, i.e. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The signals here are mixed but lean toward high priority for a browser. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker hosts or compromises a web page containing crafted media content and lures a victim into visiting it (via phishing link, malvertising, or a watering-hole site). When Chrome's Media component processes the malicious content, the improper input validation is triggered and the attacker executes arbitrary code outside the renderer sandbox on the victim's machine. … |
| Remediation | Vendor-released patch: 152.0.7977.65 - upgrade Google Chrome to 152.0.7977.65 or later on all desktop platforms, per Google's Stable Channel advisory (https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all Chrome deployments in your environment and enable automatic updates if not already active. …
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Same weakness CWE-20 – Improper Input Validation
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External POC / Exploit Code
Leaving vuln.today