Microsoft · Windows

CVE-2022-26925

Microsoft Windows LSA Spoofing Vulnerability

Evidence

Source & freshness

Full source status →

CISA KEV catalog Core KEV record

CVE, vendor/product, CISA dates, ransomware status, description, required action, and notes.

Catalog 2026.07.24 · Retrieved 2026-07-25 20:49 UTC Open official CISA feed ↗

MITRE CWE catalog CWE context

CWE names and plain-language weakness descriptions. CISA supplies the CWE assignment itself.

Retrieved 2026-07-25 20:59 UTC Open official MITRE CWE catalog ↗

National Vulnerability Database NVD technical context

CVSS metrics, NVD timeline, and related NVD record data are stored locally.

Retrieved Jul 25, 2026, 08:49 PM UTC Open NVD record ↗

CISA KEV record

CISA date added: 2022-07-01
CISA due date: 2022-07-22
Known ransomware use: Unknown

NVD risk context

5.9 MEDIUM

CVSS is a technical severity score. CISA’s KEV status remains the evidence that this vulnerability is known to be exploited.

View NVD record ↗

Attack vector

Network

The vulnerable service can be reached remotely over a network.

Attack complexity

High

Exploitation depends on conditions outside the attacker’s direct control.

Privileges required

None

The attacker does not need an existing account or privileges.

User interaction

None

No action by another user is required.

Description

Microsoft Windows Local Security Authority (LSA) contains a spoofing vulnerability where an attacker can coerce the domain controller to authenticate to the attacker using NTLM.

Required action

Apply remediation actions outlined in CISA guidance [https://www.cisa.gov/guidance-applying-june-microsoft-patch].

NVD reference index

Vendor and remediation references

NVD has tagged these sources as vendor advisories, patches, mitigations, or release notes.

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26925 ↗
PatchVendor Advisory NVD reference source: secure@microsoft.com
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-26925 ↗
PatchVendor Advisory NVD reference source: af854a3a-2127-422b-91ae-364da2661108

Other NVD references (1)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26925 ↗
US Government Resource NVD reference source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

MITRE CWE context

CWE classification

CWE-306 Missing Authentication for Critical Function

The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

View official MITRE CWE details ↗

NVD record timing

NVD record timeline

These dates describe NVD’s record, not CISA’s KEV addition or remediation due date.

NVD published: May 10, 2022, 09:15 PM UTC
NVD last updated: Jun 17, 2026, 04:36 AM UTC

Advanced: view the technical CVSS vector

This standardized code is intended for security tools and technical analysts. The plain-language risk summary above explains its main points.

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

View NVD record ↗

CISA notes

WARNING: This update is required on all Microsoft Windows endpoints but if deployed to domain controllers without additional configuration changes the update breaks PIV/CAC authentication. Read CISA implementation guidance carefully before deploying to domain controllers.; https://nvd.nist.gov/vuln/detail/CVE-2022-26925

https://nvd.nist.gov/vuln/detail/CVE-2022-26925