CVE-2019-1322

Name: CVE-2019-1322
Creator: NVD / NIST
Published: 2019-10-10T14:15:16.19+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10Actively ExploitedEPSS 19.20%

Last modified Jun 17, 2026

CVE-2019-1322 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An elevation of privilege vulnerability exists when Windows improperly handles authentication requests, aka 'Microsoft Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-1320, CVE-2019-1340.. CISA has confirmed active exploitation in the wild. EPSS estimates a 19.20% chance of exploitation in the next 30 days.

Description

An elevation of privilege vulnerability exists when Windows improperly handles authentication requests, aka 'Microsoft Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-1320, CVE-2019-1340.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

19.20%

97.0th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Apr 5, 2022.

Affected Software

Vendor	Product	Versions
Microsoft	Windows 10 1803	All versions
Microsoft	Windows 10 1809	All versions
Microsoft	Windows 10 1903	All versions
Microsoft	Windows Server 1803	All versions
Microsoft	Windows Server 1903	All versions
Microsoft	Windows Server 2019	All versions

References

http://packetstormsecurity.com/files/155723/Microsoft-UPnP-Local-Privilege-Elevation.htmlExploit, Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1322Patch, Vendor Advisory
http://packetstormsecurity.com/files/155723/Microsoft-UPnP-Local-Privilege-Elevation.htmlExploit, Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1322Patch, Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-1322US Government Resource

Timeline

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

Frequently Asked Questions

What is CVE-2019-1322?

How severe is CVE-2019-1322?

CVE-2019-1322 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 19.20% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2019-1322?

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-2019-1322?

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

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Source: NVD / NIST