CVE-2026-70579

Published: Sep 8, 2026Modified: Sep 24, 2026

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploitability: 3.9 / Impact: 3.6

Source: secure@microsoft.com (Secondary)

Description

Out-of-bounds read in Windows Mobile Broadband allows an unauthorized attacker to disclose information over a network.

Affected (14)

Products: Microsoft: Windows 10 21h2, Windows 10 22h2, Windows 11 23h2, Windows 11 24h2, Windows 11 25h2, Windows 11 26h1

6 products

Windows 10 21h2

Windows 10 22h2

Windows 11 23h2

Windows 11 24h2

Windows 11 25h2

Windows 11 26h1

Configuration A

14 vulnerable

Vulnerable Software	Affected Versions
Microsoft Windows 10 21h2	Before 10.0.19044.7725
Microsoft Windows 10 21h2	Before 10.0.19044.7725
Microsoft Windows 10 21h2	Before 10.0.19044.7725
Microsoft Windows 10 22h2	Before 10.0.19045.7725
Microsoft Windows 10 22h2	Before 10.0.19045.7725
Microsoft Windows 10 22h2	Before 10.0.19045.7725
Microsoft Windows 11 23h2	Before 10.0.22631.7582
Microsoft Windows 11 23h2	Before 10.0.22631.7582
Microsoft Windows 11 24h2	Before 10.0.26100.9445
Microsoft Windows 11 24h2	Before 10.0.26100.9445
Microsoft Windows 11 25h2	Before 10.0.26200.9445
Microsoft Windows 11 25h2	Before 10.0.26200.9445
Microsoft Windows 11 26h1	Before 10.0.28000.2954
Microsoft Windows 11 26h1	Before 10.0.28000.2954

Related CWEs

Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70579

Source: secure@microsoft.com

Vendor AdvisoryPatch

Timeline

No history available yet.