Findings

CVE-2026-64561

[Probably Solved] KVM Escape, publication. CVE-2026-64561, ZAPScape

Published Oct 14, 2026 · Proxmox Google Cloud · evidence confidence high

Published: 2026-08-07 Description Description Severity Notes A security vulnerability has been identified in the Kernel-based Virtual Machine (KVM) x86 shadow Memory Management Unit (MMU) impacting both Intel and AMD platforms. What should I do? No action is required for managed Compute Engine virtual machines. Because the vulnerability resides in the host hypervisor, Google has mitigated all affected Intel and AMD-based host infrastructure transparently via live patching without requiring customer VM downtime, reboots, or manual upgrades. If you operate self-managed virtualized environments o

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2026-64561 is a unknown public vulnerability record for Proxmox Google Cloud. It is not currently listed in the CISA Known Exploited catalog. Check the linked vendor or CERT advisories for patch status. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether Proxmox Google Cloud is in your estate, then compare installed versions with the affected ranges. Affected version ranges have not been ingested yet. Check the linked vendor or CERT advisories for patch status. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: no CVSS/EPSS yet. It is not currently listed in the CISA Known Exploited catalog. Sources contributing to this record: cve_org, gcp, proxmox. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

  • Exploitation evidence

    Not listed as known exploited in CISA KEV. Not in the CISA KEV catalog.

  • Patch and remediation

    No required-action text is stored yet. Use the vendor or CERT links in Sources for patch availability.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 14, 2026 · Google Cloud Security Bulletins

    Detected

    Published: 2026-08-07 Description Description Severity Notes A security vulnerability has been identified in the Kernel-based Virtual Machine (KVM) x86 shadow Memory Management Unit (MMU) impacting both Intel and AMD platforms. What should I do? No action is required for managed Compute Engine virtual machines. Because the vulnerability resides in the host hypervisor, Google has mitigated all affe

Sources

  • CVE.orgVulnerability recordCVE-2026-64561

    Official CVE identifier

    cve.org
  • Google Cloud Security BulletinsVendor advisoryCVE-2026-64561

    Published: 2026-08-07 Description Description Severity Notes A security vulnerability has been identified in the Kernel-based Virtual Machine (KVM) x86 shadow Memory Management Unit (MMU) impacting both Intel and AMD platforms. What should I do? No action is required for managed

    docs.cloud.google.com
  • ProxmoxVendor advisoryCVE-2026-64561

    This is what i know so far: https://cybernews.com/security/critical-kvm-zero-day-vulnerability-allows-vm-escape/ Which is underwhelming on content. No CVE yet, just a confirmation from vercel. It would be third escape this year after ITScape (KVM/arm) and Januscape (KVM/x86) What

    forum.proxmox.com