CVE-2026-42491

CVE

Threat entity extracted from intelligence sources

Frequency

occurrences

First Seen

July 29, 2026

Last Seen

July 30, 2026

API

Exploited in Wild

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Ransomware Use

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Public Exploits

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Attack Vector

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Vulnerability Overview

Exploitation Activity

Exploitation Intelligence

Xen Hypervisor Patches 12 Critical Vulnerabilities, Immediate Action Required72.0

On July 28, 2026, the Xen Project released 12 security advisories addressing severe vulnerabilities, including three that allow guest virtual machines to escape to the host. These vulnerabilities, identified as CVE-2026-62428, CVE-2026-62433, and CVE-2026-62434, pose significant risks to data confid...

Multiple CVEs Disclosed in Xen Project Security Advisory57.9

On July 28, 2026, the Xen Project released multiple security advisories (XSA-508 to XSA-494) addressing vulnerabilities in their virtualization platform. Key vulnerabilities include CVE-2026-62434, which involves a potential denial of service due to improper handling of special pages, and CVE-2026-6...