Dashboard / CVE-2026-116638

CVE-2026-116638

HIGH
MEDIUM Priority: 0.02 BB Relevance: 75/100
Published: 2026-10-26 Modified: 2026-10-30 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: None
I: High
A: None

Description

The Windows Recovery Environment (WinRE) in Windows 10 and 11 may allow an attacker to bypass firmware security controls, including administrator-configured UEFI/BIOS passwords. An attacker with physical or administrative access to a device may be able to leverage WinRE-related boot mechanisms to circumvent firmware protections and gain unauthorized access to system resources.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
n/a n/a n/a

References & Advisories (3)

Bug Bounty Relevance

75 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

7.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS — Exploitation Probability

0.21%
Raw Score 0.002100
Percentile 11.3%
Date 2026-10-30

EPSS Trend

2026-10-30
0.00210
2026-10-29
0.00210
2026-10-28
0.00210

Intelligence Sources

mitre ref →
nvd ref →

External Links