CVE-2026-70270

Untrusted pointer dereference in Windows Container Isolation FS Filter Driver allows an authorized…

Risk score: 41/100
CVSS: 5.5 v3.1
Exploit chance (30 days): 0.4%
Published: 13 Oct 2026

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What to know

What it is: Untrusted pointer dereference in Windows Container Isolation FS Filter Driver allows an authorized attacker to elevate privileges locally.
Affected: See advisory
Fix: Apply the vendor's security update; see the linked advisory.
Exploitation: No known exploitation

Why it is Yellow

CVSS 5.5 medium

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70270

Original description

Untrusted pointer dereference in Windows Container Isolation FS Filter Driver allows an authorized attacker to elevate privileges locally.

Last activity 13 Oct 2026. Patch Forecast updates every hour.