EUVD-2026-66051
GHSA-xjmj-r88h-v2jr
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
AC:H reflects the mandatory prerequisite of prior renderer process compromise; remaining metrics align with the description and original vector.
Primary rating from Vendor (Chrome).
CVSS VectorVendor: Chrome
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Lifecycle Timeline
4DescriptionCVE.org
UI misrepresentation in Core in Google Chrome on on Mac prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to spoof UI elements via a crafted HTML page. (Chromium security severity: Low)
AnalysisAI
UI spoofing in Google Chrome on macOS prior to 152.0.7977.65 enables a remote attacker who has already compromised the renderer process to forge browser UI elements via a crafted HTML page, potentially deceiving users into believing they are interacting with a trusted interface. The vulnerability is macOS-specific and requires renderer process compromise as an explicit prerequisite, significantly limiting its standalone exploitability. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires that the attacker has already achieved compromise of the Chrome renderer process on macOS - this is an explicit prerequisite stated in the CVE description ('had compromised the renderer process') and represents a substantial technical barrier, typically requiring a separate, higher-severity browser vulnerability. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 score of 4.3 with AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N reflects limited integrity-only impact and no confidentiality or availability concern. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker who has separately exploited a renderer process vulnerability in Chrome on macOS - for example via a memory-corruption bug in the JavaScript engine - then serves a crafted HTML page that manipulates how the browser process renders UI elements. The result could be a spoofed address bar or falsified padlock indicator, tricking the user into trusting a malicious site or dismissing a genuine security warning. … |
| Remediation | Upgrade Google Chrome to version 152.0.7977.65 or later on all macOS systems. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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