Is CVE-2022-21919 actively exploited?

Yes. KEV Intelligence tracks CVE-2022-21919 as a known exploited vulnerability. Confidence is confirmed.

What exploitation activity has KEV Intelligence observed?

KEV Intelligence has not yet recorded sensor-observed exploitation attempts for CVE-2022-21919. Our sensors continue to monitor for activity targeting this CVE.

Which versions are affected?

CVE-2022-21919 affects Microsoft Windows 10 Version 1809 and 25 other products. KEV Intelligence lists 27 version rows; examples include 10.0.17763.0 to < 10.0.17763.2452 and 10.0.0 to < 10.0.17763.2452.

Yes. CVE-2022-21919 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

CVE-2022-21919 Exploited in the Wild — Windows 10 Version 1809, Windows Server 2019, Windows Server 2019 (Server Core installation), Windows 10 Version 1909, Windows 10 Version 21H1, Windows Server 2022, Windows 10 Version 20H2, Windows Server version 20H2, Windows 11 version 21H2, Windows 10 Version 21H2, Windows 10 Version 1507, Windows 10 Version 1607, Windows Server 2016, Windows Server 2016 (Server Core installation), Windows 7, Windows 7 Service Pack 1, Windows 8.1, Windows Server 2008 Service Pack 2, Windows Server 2008 Service Pack 2 (Server Core installation), Windows Server 2008 Service Pack 2, Windows Server 2008 R2 Service Pack 1, Windows Server 2008 R2 Service Pack 1 (Server Core installation), Windows Server 2012, Windows Server 2012 (Server Core installation), Windows Server 2012 R2, Windows Server 2012 R2 (Server Core installation)

Q: What is CVE-2022-21919?

CVE-2022-21919 is Windows User Profile Service Elevation of Privilege Vulnerability affecting Microsoft Windows 10 Version 1809 and 25 other products.

Q: How should organizations remediate it?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Q: Is it in CISA KEV?

Yes. CVE-2022-21919 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2022-21919 is Windows User Profile Service Elevation of Privilege Vulnerability affecting Microsoft Windows 10 Version 1809 and 25 other products.

Is it exploited?

Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is confirmed.

Who is affected?

Microsoft / Windows 10 Version 1809 affected before 10.0.17763.2452.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

Windows User Profile Service Elevation of Privilege Vulnerability

Vendor Product Affected Status

Microsoft Windows 10 Version 1809 Before 10.0.17763.2452 Affected

Microsoft Windows Server 2019 Before 10.0.17763.2452 Affected

Microsoft Windows Server 2019 (Server Core installation) Before 10.0.17763.2452 Affected

Microsoft Windows 10 Version 1909 Before 10.0.18363.2037 Affected

Microsoft Windows 10 Version 21H1 Before 10.0.19043.1466 Affected

Microsoft Windows Server 2022 Before 10.0.20348.469 Affected

Microsoft Windows 10 Version 20H2 Before 10.0.19042.1466 Affected

Microsoft Windows Server version 20H2 Before 10.0.19042.1466 Affected

Microsoft Windows 11 version 21H2 Before 10.0.22000.434 Affected

Microsoft Windows 10 Version 21H2 Before 10.0.19043.1466 Affected

Microsoft Windows 10 Version 1507 Before 10.0.10240.19177 Affected

Microsoft Windows 10 Version 1607 Before 10.0.14393.4886 Affected

Microsoft Windows Server 2016 Before 10.0.14393.4886 Affected

Microsoft Windows Server 2016 (Server Core installation) Before 10.0.14393.4886 Affected

Microsoft Windows 7 Before 6.1.7601.25829 Affected

Microsoft Windows 7 Service Pack 1 Before 6.1.7601.25829 Affected

Microsoft Windows 8.1 Before 6.3.9600.20246 Affected

Microsoft Windows Server 2008 Service Pack 2 Before 6.0.6003.21349 Affected

Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) Before 6.0.6003.21349 Affected

Microsoft Windows Server 2008 Service Pack 2 Before 6.0.6003.21349 Affected

Microsoft Windows Server 2008 R2 Service Pack 1 Before 6.1.7601.25829 Affected

Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) Before 6.1.7601.25829 Affected

Microsoft Windows Server 2012 Before 6.2.9200.23584 Affected

Microsoft Windows Server 2012 (Server Core installation) Before 6.2.9200.23584 Affected

View vendor advisory

Published: 11 Jan 2022
Exploitation Reported: 25 Apr 2022
Attack vector: Local
Complexity: High
Privileges: Low
User interaction: None

CVE References

CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2022-21919
Windows User Profile Service Elevation of Privilege Vulnerability msrc.microsoft.com · Vendor Advisory https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21919

Exploitation evidence

Why KEV Intelligence marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

CISA

Recorded 25 Apr 2022

Independent exploitation attestation added to the KEV Intelligence record.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.

Learn about Pro API access

Source	Added
CISA First	2022-04-25 00:00 UTC
Tenable Blog	2026-08-11 18:04 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets: 0
User-Agents: 0

Raw values available in Pro and Enterprise.

Scanner coverage

No scanner integrations recorded yet.

Virtual patch status

No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

No detection artifacts or sensor request patterns are available for this CVE yet.

Check back as sensor telemetry and scanner integrations are updated.

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

7.0 High

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

EPSS

2.9%

Weaknesses

Improper Link Resolution Before File Access ('Link Following') CWE-59

Recent mention · Tenable Blog

Microsoft's August 2026 Patch Tuesday addresses 398 CVEs (CVE-2026-68820)

42Critical355Important1Moderate0LowMicrosoft addresses 398 CVEs in the eighth Patch Tuesday of 2026, with three zero-days, including one that was exploited in the wild.Microsoft patched 398 CVEs in its August 2026 Patch Tuesday release, with 42 rated critical, 355 rated as...

Read full advisory

All CVSS Scores

CVSS v3.1 7.0 High

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

CVSS v2.0 6.9 Medium

AV:L/AC:M/Au:N/C:C/I:C/A:C

All Mentions

Recent mention · Tenable Blog

Microsoft's August 2026 Patch Tuesday addresses 398 CVEs (CVE-2026-68820)

Tenable Blog · 11 Aug 2026

42Critical355Important1Moderate0LowMicrosoft addresses 398 CVEs in the eighth Patch Tuesday of 2026, with three zero-days, including one that was exploited in the wild.Microsoft patched 398 CVEs in its August 2026 Patch Tuesday release, with 42 rated critical, 355 rated as important and one rated as moderate. Our counts omitted two CVEs assigned by MITRE; CVE-2026-6726 and CVE-2026-6727.This month’s update includes patches for:.NET.NET Core.NET FrameworkAMD ZenActive Directory Certificate Services (AD CS)Application Information ServicesAzure Active DirectoryAzure CycleCloudAzure Monitor...

Recent mention · Tenable Blog

Microsoft's August 2026 Patch Tuesday Addresses 398 CVEs (CVE-2026-68820)

Tenable Blog · 11 Aug 2026

42Critical355Important1Moderate0LowMicrosoft addresses 398 CVEs in the eighth Patch Tuesday of 2026, with three zero-days, including one that was exploited in the wild.Microsoft patched 398 CVEs in its August 2026 Patch Tuesday release, with 42 rated critical, 355 rated as important and one rated as moderate. Our counts omitted two CVEs assigned by MITRE; CVE-2026-6726 and CVE-2026-6727.This month’s update includes patches for:.NET.NET Core.NET FrameworkAMD ZenActive Directory Certificate Services (AD CS)Application Information ServicesAzure Active DirectoryAzure CycleCloudAzure Monitor...

Timeline

From disclosure to observed exploitation

11 Aug 2026
KEV confirmed by Tenable Blog

Exploitation attested by an external source
25 Apr 2022
Added to CISA KEV

Listed in the CISA Known Exploited Vulnerabilities catalog
11 Jan 2022
CVE published

Vulnerability disclosed publicly
14 Dec 2021
CVE ID reserved

Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

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Evidence confidence and provenance
First-party sensor telemetry
PoC and scanner references
Affected versions and enrichment
Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2022-21919

Free JSON includes basic KEV fields

{
  "cve_id": "CVE-2022-21919",
  "confidence": "Confirmed",
  "cvss_score": 7.0,
  "cvss_estimated": false,
  "epss_score": 0.0295,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}

CVE-2022-21919

What security teams need to know first

Windows User Profile Service Elevation of Privilege Vulnerability

Tags

CVE References

Why KEV Intelligence marks this CVE as exploited

Exploited in the wild

Known exploited vulnerability sources

Operational artifacts and observed signals

Observed signals

Scanner coverage

Virtual patch status

Severity, weaknesses, and research context

Weaknesses

Microsoft's August 2026 Patch Tuesday addresses 398 CVEs (CVE-2026-68820)

All CVSS Scores

All Mentions

From disclosure to observed exploitation

KEV confirmed by Tenable Blog

Added to CISA KEV

CVE published

CVE ID reserved

Automate this intelligence

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