Security readout for executives and security teams
Plain-English summary
CVE-2022-26925 is a Windows Local Security Authority spoofing vulnerability. Microsoft rates it high at CVSS 8.1, and CISA lists it in Known Exploited Vulnerabilities, meaning exploitation has been observed. Organizations with affected Windows clients or servers should prioritize vendor-guided remediation and validation.
Executive priority
Treat this as a high-priority remediation item because it affects core Windows security components and appears in CISA KEV. The business risk is broad Windows exposure plus confirmed exploitation, not a narrow niche product issue.
Technical view
The CVSS vector shows network attack surface, high complexity, no privileges or user interaction, unchanged scope, and high confidentiality, integrity, and availability impact. The bundle maps it to CWE-306, missing authentication for a critical function. The provided evidence does not include low-level LSA attack mechanics.
Likely exposure
Exposure is likely where listed Windows versions remain unremediated, including Windows 7, 8.1, 10, 11, Server 2008, 2016, 2019, and 2022 variants. Domain-connected servers and identity-adjacent systems deserve early attention because the vulnerability concerns Windows LSA.
Exploitation context
Active exploitation is supported by CISA KEV inclusion. The CVSS exploit maturity value in the bundle is E:U, so the provided sources are mixed on exploit maturity. Treat KEV as the strongest evidence and avoid assuming exploit details not present in the bundle.
Researcher notes
The bundle establishes affected Microsoft Windows products, CVSS 8.1, CWE-306, and KEV status. It does not provide proof-of-concept details, attack chains, telemetry indicators, or specific mitigations beyond vendor advisory references. Validation should remain patch-state and exposure focused.
Mitigation direction
- Review Microsoft’s CVE-2022-26925 advisory for the supported update path.
- Prioritize remediation on domain controllers, servers, and identity-sensitive Windows systems.
- Retire or isolate affected unsupported Windows versions where updates are unavailable.
- Use change controls to confirm all listed Windows builds receive applicable vendor fixes.
- Monitor CISA KEV guidance for due dates and remediation expectations.
Validation and detection
- Inventory Windows endpoints and servers against the affected product list.
- Confirm installed Microsoft security updates address CVE-2022-26925.
- Check vulnerability scanner results for remaining CVE-2022-26925 findings.
- Validate high-value systems first, especially domain-connected and server assets.
- Document exceptions where systems cannot be patched immediately.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-306: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2022-26925 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.1 (3.1)
- Known Exploited
- Yes
- Published
Vector: 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
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CISA KEV status
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C2.25.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.1HighVector: 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
Source materials
- CVE List V5 sourceCVE List V5
- Windows LSA Spoofing VulnerabilityCVE reference · vendor-advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-26925CVE reference · x_refsource_MISC, x_transferred
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26925CVE reference · government-resource
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Missing Authentication for Critical Function
Missing Authentication for Critical Function represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.