CVE-2026-66822

CVSS 5.9 (medium) · published 2026-10-13

Insertion of sensitive information into sent data in .NET allows an unauthorized attacker to disclose information over a network.

Weakness: CWE-201

Source: NVD CVE-2026-66822

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66822

Check your software

Connect an AI agent to the FixLane MCP server or ask the Telegram bot to check what you have installed against incidents with a verified fixed version.