CVE-2019-0703
Actively exploited. CVE-2019-0703 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-05-23) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
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.
CSIRTS triage
- What
- An information disclosure vulnerability exists in the Windows SMB Server's handling of certain requests.
- Who is affected
- Users of Microsoft Windows SMB Server are affected by this vulnerability.
- Urgency
- Remediation is urgent as the vulnerability is actively exploited and classified as critical.
- Action
- Install the latest security updates for Windows.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 95% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalexploitedCVE-2019-0703: Microsoft Windows SMB Information Disclosure Vulnerabilitycisa-kev · 2022-05-23
External references
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