Dashboard / CVE-2026-56194

CVE-2026-56194

HIGH
MEDIUM Priority: 0.08 BB Relevance: 68/100
Published: 2026-07-14 Modified: 2026-10-28 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

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

Description

Heap-based buffer overflow in Windows Network File System allows an authorized attacker to elevate privileges over a network.

Weakness Classification (2)

Affected Software (16)

VendorProductVersion
Microsoft Windows 10 Version 1607 10.0.14393.0 < 10.0.14393.9339
microsoft windows_10_1607 < 10.0.14393.9339
microsoft windows_10_1607 < 10.0.14393.9339
microsoft windows_10_1809 < 10.0.17763.9020
microsoft windows_10_1809 < 10.0.17763.9020
microsoft windows_10_21h2 < 10.0.19044.7548
microsoft windows_10_22h2 < 10.0.19045.7548
microsoft windows_11_24h2 < 10.0.26100.8875
microsoft windows_11_25h2 < 10.0.26200.8875
microsoft windows_11_26h1 < 10.0.28000.2525
microsoft windows_server_2012 -
microsoft windows_server_2012 r2
microsoft windows_server_2016 < 10.0.14393.9339
microsoft windows_server_2019 < 10.0.17763.9020
microsoft windows_server_2022 < 10.0.20348.5386
microsoft windows_server_2025 < 10.0.26100.33158

References & Advisories (1)

Bug Bounty Relevance

68 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

8.8 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

EPSS — Exploitation Probability

0.91%
Raw Score 0.009130
Percentile 60.0%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00913
2026-10-28
0.00913

Intelligence Sources

mitre ref →

External Links