CVE-2026-70575

MEDIUM
MEDIUM Priority: 0.05 BB Relevance: 51/100
Published: 2026-09-08 Modified: 2026-10-30 First seen: 2026-10-30 Status: active

Attack Surface

Network No Interaction

CVSS Vector Breakdown

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

Description

Null pointer dereference in Windows Schannel allows an authorized attacker to deny service over a network.

Affected Software (8)

VendorProductVersion
Microsoft Windows 11 Version 23H2 10.0.22631.0 < 10.0.22631.7582
Microsoft Windows 11 Version 24H2 10.0.26100.0 < 10.0.26100.9445
Microsoft Windows 11 Version 25H2 10.0.26200.0 < 10.0.26200.9445
Microsoft Windows 11 version 23H2 10.0.22631.0 < 10.0.22631.7582
Microsoft Windows 11 version 26H1 10.0.28000.0 < 10.0.28000.2954
Microsoft Windows Server 2022 10.0.20348.0 < 10.0.20348.5622
Microsoft Windows Server 2025 10.0.26100.0 < 10.0.26100.33438
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 < 10.0.26100.33438

References & Advisories (1)

Bug Bounty Relevance

51 / 100
✓ Network accessible
✓ No user interaction

CVSS Score

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

EPSS — Exploitation Probability

0.95%
Raw Score 0.009540
Percentile 61.3%
Date 2026-10-30

Intelligence Sources

mitre ref →