Microsoft Account
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Recent Microsoft Account Security Advisories
| Advisory | Title | Published |
|---|---|---|
| CVE-2026-56165 | CVE-2026-56165 Microsoft Account Remote Code Execution Vulnerability | July 23, 2026 |
| CVE-2026-21264 | CVE-2026-21264 Microsoft Account Spoofing Vulnerability | January 22, 2026 |
| CVE-2025-21396 | CVE-2025-21396 Microsoft Account Elevation of Privilege Vulnerability | January 30, 2025 |
By the Year
In 2026 there have been 2 vulnerabilities in Microsoft Account with an average score of 9.6 out of ten.
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2026 | 2 | 9.55 |
It may take a day or so for new Microsoft Account vulnerabilities to show up in the stats or in the list of recent security vulnerabilities. Additionally vulnerabilities may be tagged under a different product or component name.
Recent Microsoft Account Security Vulnerabilities
Jul 2026: Microsoft Account Remote Code Execution Vulnerability
CVE-2026-56165
9.8 - Critical
- July 23, 2026
Heap-based buffer overflow in Microsoft Account allows an unauthorized attacker to execute code over a network.
Heap-based Buffer Overflow
Jan 2026: Microsoft Account Spoofing Vulnerability
CVE-2026-21264
9.3 - Critical
- January 22, 2026
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Account allows an unauthorized attacker to perform spoofing over a network.
XSS
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