EUVD-2026-74487
GHSA-63q9-9v3c-vgh4
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Network-delivered PDF requires user to open it (UI:R); no auth needed; sandbox containment keeps scope unchanged (S:U) with full renderer-process C/I/A impact.
Primary rating from Vendor (Chrome).
CVSS VectorVendor: Chrome
Lifecycle Timeline
5DescriptionCVE.org
Double free in PDFium in Google Chrome on on Windows prior to 153.0.8010.36 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted PDF file. (Chromium security severity: High)
AnalysisAI
Double-free memory corruption in PDFium (Chrome's PDF rendering engine) on Windows allows remote code execution within the Chrome renderer sandbox when a user opens a crafted PDF file. Affected versions are all Chrome releases on Windows prior to 153.0.8010.36, where CWE-415 double-free in the PDFium component enables an attacker-controlled allocation state. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The victim must be running Google Chrome on Windows (other platforms not affected by this CVE). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 8.8 vector (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) reflects a high-severity network-reachable flaw requiring only user interaction (opening a PDF), with no authentication or special privileges needed. … 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 | Upgrade Google Chrome on Windows to version 153.0.8010.36 or later, as documented in the vendor's stable channel update advisory (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, identify all Windows systems running Chrome versions prior to 153.0.8010.36 through endpoint management tools and assess organizational exposure. …
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Same weakness CWE-415 – Double Free
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External POC / Exploit Code
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