Microsoft Windows SMB Information Disclosure Vulnerability (CVE-2019-0703)
Severity: medium · Patch status: patched · Since 2022-05-23 · CVE-2019-0703
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. CISA added CVE-2019-0703 to its Known Exploited Vulnerabilities catalog on May 23, 2022, which means attackers are exploiting it in the wild.
What to do
- Apply updates per vendor instructions.
- US federal agencies must remediate by Jun 13, 2022 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch