CVE-2026-70116CWE-121

CVE-2026-70116

Medium · published October 13, 2026

CVSS v3.1
4.2
EPSS
0%
Percentile
24.2
In the wild
Unconfirmed
What it is

Stack-based buffer overflow in Windows Resilient File System (ReFS) allows an unauthorized attacker to bypass a security feature with a physical attack.

The record
Technical detail
CVSS v3.1
4.2 · MEDIUM
Vector
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00324 · 24.2th percentile
Weakness
CWE-121 · Stack-based Buffer Overflow
Published
2026-10-13T23:19Z
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70116 · [email protected]
EPSS history
Timeline
  • 15 OCT 03:33Z
    EPSS moved — → 0%
    epss
  • 13 OCT 19:00Z
    Windows Resilient File System (ReFS) Security Feature Bypass Vulnerability
    cvelistv5
  • 13 OCT 19:00Z
    Windows Resilient File System (ReFS) Security Feature Bypass Vulnerability
    cvelistv5