PT-2026-64206 · Microsoft · Account
CVE-2026-56165
·
Published
2026-07-23
·
Updated
2026-07-25
CVSS v3.1
9.8
Critical
| Vector | AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Microsoft Account (affected versions not specified)
Description
A heap-based buffer overflow occurs in Microsoft Account, which could allow an unauthorized attacker to execute arbitrary code over a network. A heap-based buffer overflow is a memory corruption issue that happens when a program writes more data to a heap-allocated memory block than it can hold.
Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
RCE
Heap Based Buffer Overflow
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Weakness Enumeration
Related Identifiers
Affected Products
Account