6.5
Medium
Exploited
CVE-2019-0703 Microsoft Windows SMB Information Disclosure Vulnerability
Active exploitation observed
· CISA KEV catalogue
Required action
Apply updates per vendor instructions.
Ransomware campaigns
Not observed so far
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows | Versions not published | |
| Windows Server | Versions not published |
References
- portal.msrc.microsoft.com portal.msrc.microsoft.com
Timeline
- Published
- Added to the KEV catalogue
- Last modified
Other CVEs of Windows
The 829 CVEs of Windows →
CVE-2022-50238
The on-endpoint Microsoft vulnerable driver blocklist is not fully synchronized with the online Microsoft recommended…
7.4
High
CVE-2025-59033
The Microsoft vulnerable driver block list is implemented as Windows Defender Application Control (WDAC) policy
7.4
High
CVE-2025-9491
Microsoft Windows LNK File UI Misrepresentation Remote Code Execution Vulnerability
7.0
High
CVE-2022-40733
An access violation vulnerability exists in the DirectComposition functionality win32kbase.sys driver version…
5.0
Medium