EUVD-2026-65879
GHSA-qm8c-r7jx-6qp3
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Delivery is network-based via crafted HTML; user must visit the page (UI:R); no attacker privileges required; impact is confidentiality-only with no integrity or availability effect.
Primary rating from Vendor (Chrome).
CVSS VectorVendor: Chrome
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Lifecycle Timeline
4DescriptionCVE.org
Incorrect authorization in WebProtect in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to leak sensitive information via a crafted HTML page. (Chromium security severity: Medium)
AnalysisAI
Incorrect authorization in Chrome's WebProtect component exposes sensitive browser information to remote attackers via crafted HTML pages, affecting all Chrome versions prior to 152.0.7977.65. The flaw carries a CVSS 6.5 score with high confidentiality impact; an unauthenticated attacker requires only that a target user visit a malicious page, making social-engineering delivery viable. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The attacker must deliver a crafted HTML page and induce the target user to open it in a vulnerable Chrome browser - active user interaction (UI:R) is required, limiting fully automated exploitation. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N reflects a network-reachable, low-complexity attack requiring no attacker privileges but dependent on user interaction (visiting a crafted page), with confidentiality impact confined to the vulnerable browser session. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker hosts a crafted HTML page on a controlled server and lures a Chrome user to visit it through phishing, malvertising, or a compromised website. Upon page load, the malicious content triggers the incorrect authorization logic in WebProtect, causing Chrome to improperly permit access to sensitive information that should be protected by cross-origin or security boundary controls, which is then exfiltrated to the attacker. … |
| Remediation | Update Google Chrome to version 152.0.7977.65 or later immediately; this is the vendor-confirmed fix per the stable channel advisory at https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-863 – Incorrect Authorization
View allSame technique Authentication Bypass
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External POC / Exploit Code
Leaving vuln.today