CVE-2026-27925

MEDIUM
MEDIUM Priority: 0.02 BB Relevance: 58/100
Published: 2026-04-14 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Adjacent Low Complexity No Auth No Interaction Conf. Impact

CVSS Vector Breakdown

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

Description

Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an unauthorized attacker to disclose information over an adjacent network.

Weakness Classification (1)

Affected Software (25)

VendorProductVersion
microsoft windows_10_1607 < 10.0.14393.9060
microsoft windows_10_1607 < 10.0.14393.9060
microsoft windows_10_1809 < 10.0.17763.8644
microsoft windows_10_1809 < 10.0.17763.8644
microsoft windows_10_21h2 < 10.0.19044.7184
microsoft windows_10_21h2 < 10.0.19044.7184
microsoft windows_10_21h2 < 10.0.19044.7184
microsoft windows_10_22h2 < 10.0.19045.7184
microsoft windows_10_22h2 < 10.0.19045.7184
microsoft windows_10_22h2 < 10.0.19045.7184
microsoft windows_11_23h2 < 10.0.22631.6936
microsoft windows_11_23h2 < 10.0.22631.6936
microsoft windows_11_24h2 < 10.0.26100.8246
microsoft windows_11_24h2 < 10.0.26100.8246
microsoft windows_11_25h2 < 10.0.26200.8246
microsoft windows_11_25h2 < 10.0.26200.8246
microsoft windows_11_26h1 < 10.0.28000.1836
microsoft windows_11_26h1 < 10.0.28000.1836
microsoft windows_server_2012 -
microsoft windows_server_2012 r2
microsoft windows_server_2016 < 10.0.14393.9060
microsoft windows_server_2019 < 10.0.17763.8644
microsoft windows_server_2022 < 10.0.20348.5020
microsoft windows_server_2022_23h2 < 10.0.25398.2274
microsoft windows_server_2025 < 10.0.26100.32690

References & Advisories (1)

Bug Bounty Relevance

58 / 100
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

6.5 / 10.0 v3.1
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS — Exploitation Probability

0.36%
Raw Score 0.003600
Percentile 29.8%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00360
2026-10-28
0.00360

Intelligence Sources

nvd ref →