Threat Intelligence / CVE / CVE-2026-5859

CVE-2026-5859

CVSS 8.8 (HIGH) · EPSS 0.1% · Published 2026-04-08

Integer overflow in WebML in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

CVSS v3 vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-472

Threats tracking this CVE

Microsoft April 2026 Patch Tuesday — 163 CVEs / 88 Advisories (CVE-2026-32201 SharePoint Zero-Day Exploited In-The-Wild, CVE-2026-33825 Defender EoP Public PoC, CVE-2026-33824 IKE RCE CVSS 9.8, CVE-2026-33827 TCP/IP Wormable RCE) — CRITICAL

References

https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html
https://issues.chromium.org/issues/494158331

Full detection coverage & IOCs for threats exploiting CVE-2026-5859 are available via the Threadlinqs MCP server (Purple tier). View plans →

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