EUVD-2026-74320
GHSA-vg3g-xxch-pjgh
Severity by source
AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Local attack vector with high complexity for race condition timing; no privileges required; scope changes to outside sandbox giving full C/I/A impact.
Primary rating from Vendor (Chrome).
CVSS VectorVendor: Chrome
Lifecycle Timeline
5DescriptionCVE.org
Race condition in Updater in Google Chrome on on Windows prior to 153.0.8010.36 allowed a local attacker to execute arbitrary code outside the sandbox via a local program. (Chromium security severity: Medium)
AnalysisAI
Sandbox-escape via race condition in Google Chrome's Updater component on Windows allows a local, unprivileged attacker to execute arbitrary code outside the Chrome sandbox. Affected versions are all Chrome releases for Windows prior to 153.0.8010.36, fixed in the September 2026 stable channel update. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires local access to the Windows host - the attack vector is AV:L, not network-reachable. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | CVSS 8.1 (AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H) accurately captures the high potential impact but the AC:H metric is the key limiter - race conditions require precise timing and repeated attempts, significantly reducing reliable exploitability. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Update Google Chrome for Windows to version 153.0.8010.36 or later, delivered via the Chrome stable channel update announced on the Chrome Releases blog (https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Deploy notification to all Windows users directing immediate Chrome update to version 153.0.8010.36 or later via Settings > About Chrome auto-update. …
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