SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAwaiting Analysis

CVE-2026-70270

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

MEDIUM 5.5EPSS 0.45%

Does this matter?

Lower severity and a low EPSS score (0.45%). Track it; it rarely justifies an emergency change on its own.

Description

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

CVSS 3.1
5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS
0.45% probability · 39th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-822
Source
secure@microsoft.com
EPSS trend
0%3%5%14 October 2026: 0.40%26 October 2026: 0.45%14 October 202626 October 2026

EPSS moved from 0.4% on 14 October 2026 to 0.4% on 26 October 2026.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.