EUVD-2026-40670
GHSA-2fjr-r86h-fpw3
Severity by source
AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
AC:H reflects mandatory prior renderer compromise; UI:R captures required victim interaction; I:L for bounded UI spoofing with no confidentiality or availability impact.
Primary rating from Vendor (google).
CVSS VectorVendor: google
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
Lifecycle Timeline
3DescriptionCVE.org
Incorrect security UI in Passwords in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to perform UI spoofing via a crafted HTML page. (Chromium security severity: Medium)
AnalysisAI
UI spoofing in Google Chrome's Passwords component (versions prior to 150.0.7871.47) allows an attacker who has already achieved renderer process compromise to manipulate security-critical password UI elements via a crafted HTML page. This is a chained exploitation scenario - not a standalone initial-access vector - as the attacker must first compromise the renderer through a separate vulnerability before leveraging this flaw. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires two prerequisites: first, the attacker must have already compromised Chrome's renderer process via a separate, independent vulnerability - a significant barrier that typically requires chaining with a distinct high-severity browser exploit. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 score of 3.1 (Low) with vector AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N accurately reflects the constrained real-world risk: AC:H captures the mandatory renderer-compromise prerequisite, UI:R enforces victim interaction, and the impact is limited to integrity (I:L) with no confidentiality or availability effect. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker who has separately compromised Chrome's renderer process - for example, through a distinct memory corruption or sandbox escape vulnerability - delivers a crafted HTML page that causes Chrome's built-in Passwords UI to display spoofed security prompts or misleading credential dialogs. The victim user, interacting normally with what appears to be a legitimate browser password interface, is deceived into taking an unintended action such as approving a false save or accepting a spoofed origin display. … |
| Remediation | Upgrade Google Chrome to version 150.0.7871.47 or later, confirmed as the patched stable release per the Chrome release advisory at https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352312.html. … Detailed patch versions, workarounds, and compensating controls in full report. |
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