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Chromium: CVE-2026-4455 Heap buffer overflow in PDFium

🗓️ 23 Mar 2026 07:45:41Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 4 Views

CVE-2026-4455 is a heap buffer overflow in PDFium, addressed in Chromium and Microsoft Edge.

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Vulners
Node
microsoftedge_chromiumRange<146.0.3856.72

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23 Mar 2026 07:45Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.18.8
EPSS0.0025
SSVC
4