CVE-2026-70579

high

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

Vendor / product: Microsoft — windows 10 21h2

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

CVSS

7.5

7.5 (CVSS v3.1)

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

Severity source: NVD CVSS v3.1 (secure@microsoft.com)

Timeline (UTC)

Published: 2026-09-08 18:20

Modified: 2026-09-24 19:53

NVD status: Analyzed

Last synced 2 days ago

Verified against the source API 2026-10-27 06:52 UTC

Exploitation

Not listed in CISA KEV (as of last catalog sync)

Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

microsoft / windows_10_21h2 <10.0.19044.7725

microsoft / windows_10_22h2 <10.0.19045.7725

microsoft / windows_11_23h2 <10.0.22631.7582

microsoft / windows_11_24h2 <10.0.26100.9445

microsoft / windows_11_25h2 <10.0.26200.9445

microsoft / windows_11_26h1 <10.0.28000.2954

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

NVD CVE API 2.0 — fetched 2026-10-27 06:52 UTC · record ↗