CVE-2026-83787

MEDIUM
MEDIUM Priority: 0.02 BB Relevance: 36/100
Published: 2026-10-13 Modified: 2026-10-29 First seen: 2026-10-29 Status: active

Attack Surface

Low Complexity No Interaction Integ. Impact

CVSS Vector Breakdown

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

Description

Insufficient verification of data authenticity in Windows DHCP Server allows an authorized attacker to bypass a security feature locally.

Affected Software (49)

VendorProductVersion
Microsoft Windows 10 Version 1607 10.0.14393.0 < 10.0.14393.9612
Microsoft Windows 10 Version 1607 10.0.14393.0 < 10.0.14393.9612
Microsoft Windows 10 Version 1607 10.0.14393.0 < 10.0.14393.9612
Microsoft Windows 10 Version 1809 10.0.17763.0 < 10.0.17763.9376
Microsoft Windows 10 Version 1809 10.0.17763.0 < 10.0.17763.9376
Microsoft Windows 10 Version 1809 10.0.17763.0 < 10.0.17763.9376
Microsoft Windows Server 2012 6.2.9200.0 < 6.2.9200.26434
Microsoft Windows Server 2012 6.2.9200.0 < 6.2.9200.26434
Microsoft Windows Server 2012 6.2.9200.0 < 6.2.9200.26434
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 < 6.2.9200.26434
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 < 6.2.9200.26434
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 < 6.2.9200.26434
Microsoft Windows Server 2012 R2 6.3.9600.0 < 6.3.9600.23470
Microsoft Windows Server 2012 R2 6.3.9600.0 < 6.3.9600.23470
Microsoft Windows Server 2012 R2 6.3.9600.0 < 6.3.9600.23470
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 < 6.3.9600.23470
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 < 6.3.9600.23470
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 < 6.3.9600.23470
Microsoft Windows Server 2016 10.0.14393.0 < 10.0.14393.9612
Microsoft Windows Server 2016 10.0.14393.0 < 10.0.14393.9612
Microsoft Windows Server 2016 10.0.14393.0 < 10.0.14393.9612
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 < 10.0.14393.9612
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 < 10.0.14393.9612
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 < 10.0.14393.9612
Microsoft Windows Server 2019 10.0.17763.0 < 10.0.17763.9376
Microsoft Windows Server 2019 10.0.17763.0 < 10.0.17763.9376
Microsoft Windows Server 2019 10.0.17763.0 < 10.0.17763.9376
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 < 10.0.17763.9376
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 < 10.0.17763.9376
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 < 10.0.17763.9376
Showing 30 of 49 entries

References & Advisories (1)

Bug Bounty Relevance

36 / 100
✓ Low complexity
✓ No user interaction

CVSS Score

5.5 / 10.0 v3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

EPSS — Exploitation Probability

0.33%
Raw Score 0.003270
Percentile 25.8%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00327
2026-10-28
0.00327

Intelligence Sources

mitre ref →
nvd ref →