CVE-2026-56165

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CVSS 3.1

9.8 critical

EPSS

<1%p52

Published

Jul 24, 2026 (Jul 24, 2026)

Modified

Jul 30, 2026

Description

Heap-based buffer overflow in Microsoft Account allows an unauthorized attacker to execute code over a network.

Vendors: microsoft
Products: account
Weakness: CWE-122
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.7%)

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