Advisoriesby IbisMicrosoftCVE-2026-50652
Microsoft Azure Active Directory: unsafe deserialization
Fix: upgrade to 5.7.1 or later (8 fixed versions below)
Deserialization of untrusted data in Azure Active Directory allows an unauthorized attacker to deny service over a network.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Azure Active Directory Product | >= 2021, < 5.7.1 | 5.7.1 |
| Microsoft .NET Framework 3.5 Product | >= 3.5.0, < 2.0.50727.9182 & 3.0.30729.9168 | 2.0.50727.9182 & 3.0.30729.9168 |
| Microsoft .NET Framework 3.5 AND 4.7.2 Product | >= 4.7.0, < 2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0 | 2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0 |
| Microsoft .NET Framework 3.5 AND 4.8 Product | >= 4.8.0, < 2.0.50727.9069 & 3.0.30729.9067 & 4.8.4803.0 | 2.0.50727.9069 & 3.0.30729.9067 & 4.8.4803.0 |
| Microsoft .NET Framework 3.5 AND 4.8.1 Product | >= 4.8.1, < 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0 | 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0 |
| Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 Product | >= 4.7.0, < 4.7.4143.0 | 4.7.4143.0 |
| Microsoft .NET Framework 4.8 Product | >= 4.8.0, < 4.8.4803.0 | 4.8.4803.0 |
| Microsoft .NET Framework 4.8.1 Product | >= 4.8.0.0, < 4.8.9340.0 | 4.8.9340.0 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-502