EUVD-2026-40486
GHSA-pg94-6h4v-f6ph
Severity by source
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Local attacker needs no prior privileges (PR:N) but a malicious file and user interaction (AV:L, UI:R); successful escalation yields full OS-level compromise, so C/I/A all High.
Primary rating from Vendor (google).
CVSS VectorVendor: google
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
4DescriptionCVE.org
Inappropriate implementation in Updater in Google Chrome on Windows prior to 150.0.7871.47 allowed a local attacker to perform OS-level privilege escalation via a malicious file. (Chromium security severity: High)
AnalysisAI
Local privilege escalation in the Google Chrome Updater on Windows (versions prior to 150.0.7871.47) allows a local attacker to gain OS-level privileges by planting a malicious file that the Updater component mishandles. Rated High by Chromium and CVSS 7.8, exploitation requires local access plus user interaction; there is no public exploit identified at time of analysis, and EPSS is low at 0.13% (3rd percentile). …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires local access to the Windows host and involves the Chrome Updater component processing an attacker-supplied malicious file, per the description; the CVSS vector also mandates user interaction (UI:R), so some victim/user action is needed to trigger the vulnerable update path. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The signals are internally consistent and point to a genuine but not urgent local-privilege-escalation issue. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker who already has an unprivileged foothold on a Windows workstation plants a malicious file in a location the Chrome Updater trusts and induces the required user action, causing the elevated updater process to consume it and execute attacker-controlled logic at OS level. This turns a limited user session into SYSTEM-level control, a common escalation step after phishing or malware delivery. … |
| Remediation | Vendor-released patch: update Google Chrome on Windows to 150.0.7871.47 or later via the June 2026 Stable Channel update (https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352312.html), then fully restart the browser so the elevated Updater component is replaced. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Conduct inventory scan of all Windows systems to identify Chrome installations prior to version 150.0.7871.47. …
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Same weakness CWE-284 – Improper Access Control
View allSame technique Authentication Bypass
View allVendor StatusVendor
SUSE
Severity: Important| Product | Status |
|---|---|
| SUSE Package Hub 15 SP7 | Fixed |
| openSUSE Tumbleweed | Fixed |
| SUSE Package Hub 15 SP7 | Affected |
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External POC / Exploit Code
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