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CVE-2019-0703

CISA KEV

Published May 23, 2022 · Updated April 3, 2026

high
Official Description+

An information disclosure vulnerability exists in the way that the Windows SMB Server handles certain requests, which could lead to information disclosure from the server.

Affected Products

VendorProduct
MicrosoftWindows

Patch Status

Patch by 2022-06-13

Recommended Actions

  1. Check if your systems use any of the affected products listed above.
  2. Apply vendor patches immediately if available.
  3. This vulnerability is in CISA's Known Exploited Vulnerabilities catalog — prioritize remediation.
  4. Monitor vendor advisories for updates and additional mitigations.
  5. Review logs for indicators of compromise related to CVE-2019-0703.