Out-of-bounds read in Microsoft Windows - CVE-2026-70579
Published: September 9, 2026
Vulnerability identifier: #VU148047
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-70579
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to an out-of-bounds read in Windows Mobile Broadband when processing network requests. A remote attacker can send network requests to disclose sensitive information.
Successful exploitation can expose heap memory from a privileged process running on the server.
Affected software
Microsoft Windows
How to mitigate CVE-2026-70579
Install security update from vendor's website.
Microsoft Windows - addressed in versions 10 21H2 10.0.19044.7725, 10 22H2 10.0.19045.7725, 11 23H2 10.0.22631.7582, 11 24H2 10.0.26100.9445, 11 25H2 10.0.26200.9445, 11 26H1 10.0.28000.2954