CVE-2026-44210: Kata Containers have VM Escape via virtiofsd Argument Injection through Default-Enabled Pod Annotations

unknownCVE-2026-44210

CSIRTS triage

vendor: Kata Containers product: Kata Containers Privilege escalation

What: The vulnerability allows VM escape via virtiofsd argument injection through default-enabled pod annotations.
Who is affected: Deployments using Kata Containers with default pod annotations are affected.
Urgency: Remediation is urgent due to potential VM escape risk.
Action: Apply the latest patches to mitigate this vulnerability.

AI-assisted analysis generated from the source advisory — verify against the original.

⚡ Watch Kata Containers

Get an email when a new Kata Containers advisory drops — max one per day, one-click unsubscribe.

Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: unknown
Published: 2026-07-14
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44210

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-442100.32% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 24% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-44210	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for Kata Containers have

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

unknownCVE-2026-44210: Kata Containers is an open source project focusing on a standard implementation of lightweight…nvd · 2026-07-23
mediumGHSA-rr59-xxvx-96qr: Kata Containers have VM Escape via virtiofsd Argument Injection through Default-Enabled P…ghsa · 2026-05-26
mediumGHSA-wwj6-vghv-5p64: Kata Container to Guest micro VM privilege escalationghsa · 2026-02-19