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Vulnerabilities

Vulnerability · CVE-2026-64561

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

Published Oct 14, 2026 · Proxmox Google Cloud

Check if you run it

No confirmed exploitation is on record for CVE-2026-64561. EPSS is 0.35%. Act only if a listed version of Proxmox Google Cloud is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Unknown—
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.35%
Remediation
Not established
Affected products
Proxmox Google Cloud

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

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2026-64561

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-64561. EPSS is 0.35%. Act only if a listed version of Proxmox Google Cloud is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.35%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

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
  • FIRST EPSSExploitation probabilityCVE-2026-64561

    30-day exploitation probability 0.3%

    first.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

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.