CVE-2026-56165 PUBLISHED

Microsoft Account Remote Code Execution Vulnerability

Assigner: microsoft
Reserved: 19.06.2026 Published: 23.07.2026 Updated: 24.07.2026

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

Metrics

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
CVSS Score: 9.8

Product Status

Vendor Microsoft
Product Microsoft Account
Versions
  • Version - is affected

References

Problem Types