CVE-2019-1324 json
An information disclosure vulnerability exists when the Windows TCP/IP stack improperly handles IPv6 flowlabel filled in packets, aka 'Wind…
published 2019-11-12 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-9883
- cvss
- 5.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.6%
- EPSS 4.6% chance of exploitation in 30 days, percentile 91%
- public exploits
- 0
- none known
Summary
An information disclosure vulnerability exists when the Windows TCP/IP stack improperly handles IPv6 flowlabel filled in packets, aka 'Windows TCP/IP Information Disclosure Vulnerability'.
Patch / fix
Exploit prediction
4.62% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- Microsoft Windows
- Microsoft Windows Server
- Microsoft Windows 10 Version 1903 for 32-bit Systems
- Microsoft Windows 10 Version 1903 for x64-based Systems
- Microsoft Windows 10 Version 1903 for ARM64-based Systems
- Microsoft Windows Server, version 1903 (Server Core installation)
Classification
- Weakness
-
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2019-1324
patch, vendor-advisory
Sources
- CVE List CVE-2019-1324
- NVD CVE-2019-1324
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.