Is CVE-2019-0703 in the CISA KEV catalog?

Yes. CVE-2019-0703 is on the CISA Known Exploited Vulnerabilities list, added 2022-05-23.

What is the CVSS severity of CVE-2019-0703?

CVE-2019-0703 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2019-0703?

CVE-2019-0703 has an EPSS score of 9.64% (95th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2019-0703

MEDIUMCISA KEVEPSS 95th pctl

6.5

CVSS v3

NVD

Description

An information disclosure vulnerability exists in the way that the Windows SMB Server handles certain requests, aka 'Windows SMB Information Disclosure Vulnerability'. This CVE ID is unique from CVE-2019-0704, CVE-2019-0821.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

9.64%probability of exploitation in 30 days

95thpercentile

High risk: more likely to be exploited than 95% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Microsoft Windows SMB Information Disclosure Vulnerability

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.

Apply updates per vendor instructions.

Remediation due: 2022-06-13

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-29.