Vulnerability report

Exploited in the wild Confirmed confidence In CISA KEV

CVE-2022-26925

Windows LSA Spoofing Vulnerability

Microsoft / Windows 10 Version 1809 · affected before 10.0.17763.2928

Watch CVE-2022-26925 Browse KEV feed
Severity
CVSS 8.1 · High
Confidence
Confirmed
Exploit status
Exploited in the wild
EPSS
10.5%
First observed
—
Last observed
—

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2022-26925 is an unauthenticated Windows LSA Spoofing Vulnerability affecting Microsoft Windows 10 Version 1809 and 25 other products.

Is it exploited?

Yes. Previdian tracks this CVE as a known exploited vulnerability. Confidence is confirmed. Listed in CISA KEV.

Who is affected?

Microsoft / Windows 10 Version 1809 affected before 10.0.17763.2928.

What should we do?

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

Overview

Windows LSA Spoofing Vulnerability

Windows LSA Spoofing Vulnerability

Microsoft Affected
Windows 10 Version 1809
Before 10.0.17763.2928
Microsoft Affected
Windows Server 2019
Before 10.0.17763.2928
Microsoft Affected
Windows Server 2019 (Server Core installation)
Before 10.0.17763.2928
Microsoft Affected
Windows 10 Version 1909
Before 10.0.18363.2274
Microsoft Affected
Windows 10 Version 21H1
Before 10.0.19043.1706
Microsoft Affected
Windows Server 2022
Before 10.0.20348.707
Microsoft Affected
Windows 10 Version 20H2
Before 10.0.19042.1706
Microsoft Affected
Windows Server version 20H2
Before 10.0.19042.1706
Microsoft Affected
Windows 11 version 21H2
Before 10.0.22000.675
Microsoft Affected
Windows 10 Version 21H2
Before 10.0.19043.1706
Microsoft Affected
Windows 10 Version 1507
Before 10.0.10240.19297
Microsoft Affected
Windows 10 Version 1607
Before 10.0.14393.5125
Microsoft Affected
Windows Server 2016
Before 10.0.14393.5125
Microsoft Affected
Windows Server 2016 (Server Core installation)
Before 10.0.14393.5125
Microsoft Affected
Windows 7
Before 6.1.7601.25954
Microsoft Affected
Windows 7 Service Pack 1
Before 6.1.7601.25954
Microsoft Affected
Windows 8.1
Before 6.3.9600.20371
Microsoft Affected
Windows Server 2008 Service Pack 2
Before 6.0.6003.21481
Microsoft Affected
Windows Server 2008 Service Pack 2 (Server Core installation)
Before 6.0.6003.21481
Microsoft Affected
Windows Server 2008 Service Pack 2
Before 6.0.6003.21481
Microsoft Affected
Windows Server 2008 R2 Service Pack 1
Before 6.1.7601.25954
Microsoft Affected
Windows Server 2008 R2 Service Pack 1 (Server Core installation)
Before 6.1.7601.25954
Microsoft Affected
Windows Server 2012
Before 6.2.9200.23714
Microsoft Affected
Windows Server 2012 (Server Core installation)
Before 6.2.9200.23714
Microsoft Affected
Windows Server 2012 R2
Before 6.3.9600.20371
Microsoft Affected
Windows Server 2012 R2 (Server Core installation)
Before 6.3.9600.20371
View vendor advisory (opens in new tab)
Published
10 May 2022
Exploitation Reported
01 Jul 2022
Attack vector
Remote
Complexity
High
Privileges
None
User interaction
None

Tags

microsoft nessus_scanner cisa windows

CVE References

  • CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2022-26925
  • Windows LSA Spoofing Vulnerability msrc.microsoft.com · Vendor Advisory https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26925

Exploitation evidence

Why Previdian 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 01 Jul 2022

A trusted third party reported exploitation.

Known exploited vulnerability sources

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

Learn about Pro API access
Source Added
CISA First 2022-07-01 00:00 UTC

Detection

Operational artifacts and observed signals

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

Observed signals

Request targets
User-Agents
Callback hosts
0
0
0

Request targets and User-Agents available in Pro. Callback host details available in Enterprise.

Virtual patch status

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

Learn about virtual patches →

Scanner Artifacts

Scanner and exploit-framework references linked to this CVE.

Scanner Reference Detected
Nessus https://www.tenable.com/plugins/nessus/160946 02 Jun 2025

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

8.1 High

Potential damage if exploited. Separate from whether attackers are using it.

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

EPSS

10.5%

Estimated chance of exploitation in the next 30 days. Previdian's warning comes from evidence, not this score.

Weaknesses

Missing Authentication for Critical Function CWE-306

Timeline

From disclosure to observed exploitation

  1. 09:27 UTC

    Nessus plugin available

    Scanner coverage available

  2. 00:00 UTC

    Added to CISA KEV

    Listed in the CISA Known Exploited Vulnerabilities catalog

  3. 20:33 UTC

    CVE published

    Vulnerability disclosed publicly

  4. 00:00 UTC

    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-2022-26925

Free JSON includes basic KEV fields 
{
  "cve_id": "CVE-2022-26925",
  "confidence": "Confirmed",
  "cvss_score": 8.1,
  "cvss_estimated": false,
  "epss_score": 0.10476,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}