CVE-2019-1343

Name: CVE-2019-1343
Creator: NVD / NIST
Published: 2019-10-10T14:15:17.423+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 10.22%

Last modified Jun 17, 2026

CVE-2019-1343 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A denial of service vulnerability exists when Windows improperly handles objects in memory, aka 'Windows Denial of Service Vulnerability'. This CVE ID is unique from CVE-2019-1346, CVE-2019-1347.. EPSS estimates a 10.22% chance of exploitation in the next 30 days.

Description

A denial of service vulnerability exists when Windows improperly handles objects in memory, aka 'Windows Denial of Service Vulnerability'. This CVE ID is unique from CVE-2019-1346, CVE-2019-1347.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

10.22%

95.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Microsoft	Windows 10	All versions
Microsoft	Windows 10	1607
Microsoft	Windows 10	1703
Microsoft	Windows 10	1709
Microsoft	Windows 10	1803
Microsoft	Windows 10	1809
Microsoft	Windows 10	1903
Microsoft	Windows 8.1	All versions
Microsoft	Windows Rt 8.1	All versions
Microsoft	Windows Server 2012	All versions
Microsoft	Windows Server 2012	r2
Microsoft	Windows Server 2016	All versions
Microsoft	Windows Server 2016	1803
Microsoft	Windows Server 2016	1903
Microsoft	Windows Server 2019	All versions

References

http://packetstormsecurity.com/files/154798/Microsoft-Windows-Kernel-nt-MiOffsetToProtos-NULL-Pointer-Dereference.htmlThird Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1343Patch, Vendor Advisory
http://packetstormsecurity.com/files/154798/Microsoft-Windows-Kernel-nt-MiOffsetToProtos-NULL-Pointer-Dereference.htmlThird Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1343Patch, Vendor Advisory

Timeline

Published: Oct 10, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-1343?

A denial of service vulnerability exists when Windows improperly handles objects in memory, aka 'Windows Denial of Service Vulnerability'. This CVE ID is unique from CVE-2019-1346, CVE-2019-1347.

How severe is CVE-2019-1343?

CVE-2019-1343 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 10.22% probability of exploitation in the next 30 days.

How do I fix CVE-2019-1343?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-1343?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST