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8.8
CVE-2026-6305EXPLOITEDPATCHED
google · chrome

CVE-2026-6305: Heap buffer overflow in PDFium in Google Chrome prior to 147.0.7727.101 allowed a remote attacker to execute arbitrary c

Description

Heap buffer overflow in PDFium in Google Chrome prior to 147.0.7727.101 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted PDF file. (Chromium security severity: High)

Affected Products

VendorProductVersions
googlechrome147.0.7727.101

Also Affects

Downstream vendors/products affected by this vulnerability

VendorProductSourceConfidence
applemacoscve_cpe95%
linuxlinux_kernelcve_cpe95%
microsoftwindowscve_cpe95%

References

  • https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop_15.html
  • https://issues.chromium.org/issues/496618639

Related News (4 articles)

Tier B
CERT-FR16h ago
Multiples vulnérabilités dans Microsoft Edge (20 avril 2026)
→ No new info (linked only)
Tier A
Microsoft MSRC3d ago
Chromium: CVE-2026-6305 Heap buffer overflow in PDFium
→ No new info (linked only)
Tier C
VulDB4d ago
CVE-2026-6305 | Google Chrome up to 147.0.7727.55 PDFium heap-based overflow (ID 496618)
→ No new info (linked only)
Tier B
CERT-FR4d ago
Multiples vulnérabilités dans Google Chrome (16 avril 2026)
→ No new info (linked only)
CVSS 3.18.8 HIGH
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA KEV❌ No
Actively exploited✅ Yes
Patch available
147.0.7727.55
CWECWE-122
PublishedApr 15, 2026
Last enriched1d agov3
Trending Score62
Source articles4
Independent3
Info Completeness10/14
Missing: epss, kev, iocs, mitre_attack

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Related CVEs (5)

CRITICALCVE-2026-6296EXP
CVE-2026-6296: Heap buffer overflow in ANGLE in Google Chrome prior to 147.0.7727.101 allowed a remote attacker to potentially perform
Trending: 77
HIGHCVE-2026-6297EXP
CVE-2026-6297: Use after free in Proxy in Google Chrome prior to 147.0.7727.101 allowed an attacker in a privileged network position to
Trending: 74
HIGHCVE-2026-6299EXP
CVE-2026-6299: Use after free in Prerender in Google Chrome prior to 147.0.7727.101 allowed a remote attacker to execute arbitrary code
Trending: 74
HIGHCVE-2026-5873EXP
CVE-2026-5873: Out of bounds read and write in V8 in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to execute arbitrar
Trending: 74
CRITICALCVE-2026-6298EXP
CVE-2026-6298: Heap buffer overflow in Skia in Google Chrome prior to 147.0.7727.101 allowed a remote attacker to obtain potentially se
Trending: 72

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Verification

State: unverified
Confidence: 0%

Vulnerability Timeline

CVE Published
Apr 15, 2026
Discovered by ZDM
Apr 15, 2026
Updated: severity, patchAvailable
Apr 16, 2026
Actively Exploited
Apr 16, 2026
Exploit Available
Apr 16, 2026
Patch Available
Apr 16, 2026
Updated: exploitAvailable, activelyExploited
Apr 19, 2026

Version History

v3
Last enriched 1d ago
v3Tier A1d ago

Updated vendor to Microsoft and product to Edge, marked exploit as available and actively exploited.

exploitAvailableactivelyExploited
via Microsoft MSRC
v2Tier C4d ago

Updated severity to CRITICAL, patch available version to 147.0.7727.55, and clarified that no exploit exists.

severitypatchAvailable
via VulDB
v14d ago

Initial creation