CVE-2026-56165
Microsoft · Published July 23, 2026
9.8
CVSS v3.1
CRITICALPatch availableGet patch
Description
Microsoft Account Remote Code Execution Vulnerability. Heap-based buffer overflow in Microsoft Account allows an unauthorized attacker to execute code over a network.
Affected Products
- Microsoft Account
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C