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High MSRC-CVE-2026-62784 1 CVE

Microsoft Local Security Authority Server (lsasrv) Remote Code Execution Vulnerability

Published Aug 11, 2026 · Updated Nov 10, 2026 · Revision 4

Vendor: Microsoft

Summary

Impact: Remote Code Execution. Microsoft rating: Important. Not known to be exploited — Exploitation Unlikely. Customer action: Required.

Details

How could an attacker exploit this vulnerability?
An authenticated attacker could exploit this vulnerability by sending a specially crafted request to an affected service over the network. Successful exploitation could allow the attacker to execute code on the target system.

Security updates
10.0.17763.9121 — https://support.microsoft.com/help/5120238
10.0.20348.5499 — https://support.microsoft.com/help/5120242
10.0.20348.5440 — https://support.microsoft.com/help/5120229
10.0.19044.7663 — https://support.microsoft.com/help/5120249
10.0.26100.33296 — https://support.microsoft.com/help/5120233
10.0.26100.33222 — https://support.microsoft.com/help/5120228
10.0.26200.9168 — https://support.microsoft.com/help/5121003
10.0.26200.9106 — https://support.microsoft.com/help/5120994
10.0.22631.7517 — https://support.microsoft.com/help/5120240
10.0.28000.2704 — https://support.microsoft.com/help/5121000
10.0.14393.9418 — https://support.microsoft.com/help/5120418
6.2.9200.26280 — https://support.microsoft.com/help/5120386
6.3.9600.23338 — https://support.microsoft.com/help/5120385

Vulnerabilities 1

Revision history

  1. #4

    Updated an acknowledgement. This is an informational change only.

  2. #3

    Updated an acknowledgement. This is an informational change only.

  3. #2

    Updated an acknowledgement. This is an informational change only.

  4. #1

    Information published.

References