{"id":"CVE-2026-4455","published":"2026-03-20T01:34:53Z","modified":"2026-03-21T04:01:12Z","title":"Heap buffer overflow in PDFium in Google Chrome prior to 146.0.7680.153 allowed a remote attacker to potentially…","vendor":"Google","product":"Chrome","tier":"tail","description":{"text":"Heap buffer overflow in PDFium in Google Chrome prior to 146.0.7680.153 allowed a remote attacker to potentially exploit heap corruption via a crafted PDF file. (Chromium security severity: High)","provenance":"source","from":"CVE.org"},"cvss":{"score":8.8,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","provenance":"source","from":"CISA ADP Vulnrichment"},"epss":{"score":0.0026,"percentile":0.17726,"provenance":"source"},"cwes":[{"id":"CWE-122","name":"Heap-based Buffer Overflow"}],"references":[{"url":"https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_18.html","tags":[]},{"url":"https://issues.chromium.org/issues/488585504","tags":[]}],"priority":{"score":9.7,"factors":[{"name":"EPSS percentile","points":3.55},{"name":"CVSS severity","points":6.16}]},"vendorSlug":"google","affectedVersions":[{"vendor":"Google","product":"Chrome","versions":[">= 146.0.7680.153, < 146.0.7680.153"]}],"euvd":{"id":"EUVD-2026-13472","exploited":false,"provenance":"source"},"lineage":{"familyId":"fam-class-google-chrome-cwe-122"}}