CVE-2019-0703Microsoft Windows SMB Information Disclosure Vulnerability

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.

6.5 MEDIUMEPSS 9.38%⚡ Known Exploited (CISA KEV)NVD: Analyzed

Last updated: 2026-06-17 02:08 UTC

OverviewCVSS details

6.5MEDIUMCVSS 3.1

Score source: NVD
NVD status: Analyzed
Published: Apr 9, 2019
Assigner: microsoft

Affected

Windows (Microsoft)

Versions: 7 for 32-bit Systems Service Pack 1 · 7 for x64-based Systems Service Pack 1

+1 more product →

Exploitation

Public exploit: None listed
CISA KEV: Listed · May 23, 2022
KEV due date: Jun 13, 2022
Ransomware use: Unknown
SSVC: Exploitation active · Automatable no · Impact partial

EPSS · FIRST, scored Nov 7

9.38%chance of exploitation in 30 days

Higher than 95.43% of CVEs

CVSS 3.1 · NVD

6.5Medium

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

Attack vector: Network
Attack complexity: Low
Privileges required: Low
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: None
Availability impact: None

CVSS 2.0 · NVD

4.0Medium

AV:N/AC:L/Au:S/C:P/I:N/A:N

Attack vector: Network
Attack complexity: Low
Authentication: Single
Confidentiality impact: Partial
Integrity impact: None
Availability impact: None

NVD status: Analyzed

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
6.5	MEDIUM	3.1NVD	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
4.0	MEDIUM	2.0NVD	AV:N/AC:L/Au:S/C:P/I:N/A:N

CISA required action

⚡ Known exploited · remediation due Jun 13, 2022

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Details

CVE ID: CVE-2019-0703
Status: Analyzed
Assigner (CNA): microsoft
Published: Apr 9, 2019
Last modified: 2026-06-17 02:08 UTC

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-08 13:47 UTC.