CVE-2019-0703 kev in the critical feed json
An information disclosure vulnerability exists in the way that the Windows SMB Server handles certain requests, aka 'Windows SMB Informatio…
published 2019-04-08 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-1463
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Exploited
- added 2022-05-23
- epss
- 9.4%
- EPSS 9.4% chance of exploitation in 30 days, percentile 95%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
cisa required action Apply updates per vendor instructions.
Timeline
- 0-day patched (Project Zero)
- Published
- Added to CISA KEV
- CISA patch deadline
- CISA SSVC: exploitation active
Known exploited
- Added
- 4 y ago
- Patch by
- 2022-06-13 (4 y ago)
- Ransomware
- Not known
- Required action
- Apply updates per vendor instructions.
- Vendor, product
- Microsoft, Windows
- CISA name
- Microsoft Windows SMB Information Disclosure Vulnerability
Zero-day
Detected in real attacks while still unknown to the vendor and the public, per Google Project Zero's 0day In-the-Wild tracker.
- Patched
- 2019-03-12
- Details
- project zero tracker
CISA SSVC
- Exploitation
- Active, exploited in the wild
- Automatable
- no
- Technical impact
- partial
- Assessed
- 21 mo ago
Exploit prediction
9.38% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:P/I:N/A:N |
Affected products
- Microsoft Windows
- Microsoft Windows Server
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2019-0703
patch, vendor-advisory
-
cisa.gov
/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-0703
government-resource, us-government-resource
Sources
- CVE List CVE-2019-0703
- NVD CVE-2019-0703
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