CISA KEV · Known exploitedHigh

CVE-2019-1322

Microsoft Windows

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.

CVSS: 7.8
EPSS: 19.2%
CISA KEV: Listed
Published: 2019.10.10

PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV

Exploit probability19.2%

Technical severityCVSS 7.8

Vulnerability overview

Affected product and versions

Product: Microsoft Windows
Affected versions: 10 Version 1803 for 32-bit Systems, 10 Version 1803 for x64-based Systems, 10 Version 1803 for ARM64-based Systems, 10 Version 1809 for 32-bit Systems, 10 Version 1809 for x64-based Systems, 10 Version 1809 for ARM64-based Systems, version 1803 (Core Installation), 2019, 2019 (Core installation), unspecified
Fixed versions: No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

CISA required action

Apply updates per vendor instructions.

Due date: 2022.04.05

1
Identify
Confirm that Microsoft Windows and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE: Not available
KEV added: 2022.03.15
Ransomware use: 확인됨