Dashboard / CVE-2026-62757

CVE-2026-62757

MEDIUM
MEDIUM Priority: 0.02 BB Relevance: 51/100
Published: 2026-08-11 Modified: 2026-10-28 First seen: 2026-10-29 Status: active

Attack Surface

Network No Auth Integ. Impact

CVSS Vector Breakdown

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

Description

Improper verification of cryptographic signature in Windows Schannel allows an unauthorized attacker to bypass a security feature over a network.

Weakness Classification (1)

Affected Software (64)

VendorProductVersion
Microsoft Windows 10 Version 1607 10.0.14393.0 < 10.0.14393.9418
Microsoft Windows 10 Version 1607 10.0.14393.0 < 10.0.14393.9418
Microsoft Windows 10 Version 1809 10.0.17763.0 < 10.0.17763.9121
Microsoft Windows 10 Version 1809 10.0.17763.0 < 10.0.17763.9121
Microsoft Windows 10 Version 21H2 10.0.19044.0 < 10.0.19044.7663
Microsoft Windows 10 Version 21H2 10.0.19044.0 < 10.0.19044.7663
Microsoft Windows 10 Version 22H2 10.0.19045.0 < 10.0.19045.7663
Microsoft Windows 10 Version 22H2 10.0.19045.0 < 10.0.19045.7663
Microsoft Windows 11 Version 23H2 10.0.22631.0 < 10.0.22631.7517
Microsoft Windows 11 Version 23H2 10.0.22631.0 < 10.0.22631.7517
Microsoft Windows 11 Version 24H2 10.0.26100.0 < 10.0.26100.9168
Microsoft Windows 11 Version 24H2 10.0.26100.0 < 10.0.26100.9168
Microsoft Windows 11 Version 25H2 10.0.26200.0 < 10.0.26200.9168
Microsoft Windows 11 Version 25H2 10.0.26200.0 < 10.0.26200.9168
Microsoft Windows 11 version 23H2 10.0.22631.0 < 10.0.22631.7517
Microsoft Windows 11 version 23H2 10.0.22631.0 < 10.0.22631.7517
Microsoft Windows 11 version 26H1 10.0.28000.0 < 10.0.28000.2704
Microsoft Windows 11 version 26H1 10.0.28000.0 < 10.0.28000.2704
Microsoft Windows Server 2012 6.2.9200.0 < 6.2.9200.26280
Microsoft Windows Server 2012 6.2.9200.0 < 6.2.9200.26280
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 < 6.2.9200.26280
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 < 6.2.9200.26280
Microsoft Windows Server 2012 R2 6.3.9600.0 < 6.3.9600.23338
Microsoft Windows Server 2012 R2 6.3.9600.0 < 6.3.9600.23338
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 < 6.3.9600.23338
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 < 6.3.9600.23338
Microsoft Windows Server 2016 10.0.14393.0 < 10.0.14393.9418
Microsoft Windows Server 2016 10.0.14393.0 < 10.0.14393.9418
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 < 10.0.14393.9418
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 < 10.0.14393.9418
Showing 30 of 64 entries

References & Advisories (1)

Bug Bounty Relevance

51 / 100
✓ Network accessible
✓ No authentication

CVSS Score

5.3 / 10.0 v3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C

EPSS — Exploitation Probability

0.35%
Raw Score 0.003480
Percentile 28.3%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00348
2026-10-28
0.00348

Intelligence Sources

mitre ref →

External Links