Security readout for executives and security teams
Plain-English summary
Affected Windows logon agents may accept improperly validated certificates, enabling signature spoofing under specific conditions. The published severity is low, but the component participates in authentication, so organizations should identify affected endpoints and review Thales guidance.
Executive priority
Treat this as a scheduled remediation rather than an emergency. Promptly assess endpoints supporting privileged, administrative, or business-critical authentication because the affected component handles Windows logon and the CVSS vector indicates potentially significant downstream impact.
Technical view
CVE-2026-0872 is a CWE-295 certificate-validation flaw in SafeNet Agent for Windows Logon versions 4.0.0, 4.1.1, and 4.1.2. The CVSS 4.0 vector indicates network reachability, low complexity, low privileges, no user interaction, and an additional prerequisite. Availability impact on the vulnerable system is not identified.
Likely exposure
Exposure is limited to Windows systems running SafeNet Agent for Windows Logon versions 4.0.0, 4.1.1, or 4.1.2. The bundle marks other versions unaffected by default but provides no deployment, configuration, or prerequisite details.
Exploitation context
The record is not listed in CISA KEV, and the supplied sources do not establish active exploitation. The CVSS vector reports exploitation maturity as proof-of-concept, but the bundle provides no supporting technical details. Exploitation requires low privileges and an unspecified prerequisite.
Researcher notes
The public bundle identifies improper certificate validation and signature spoofing but does not describe the validation failure, trust boundary, required prerequisite, affected certificate flow, or fixed release. Avoid inferring authentication bypass. Consult the vendor advisory before designing detection or remediation checks.
Mitigation direction
- Inventory Windows endpoints running the affected SafeNet Agent versions.
- Review Thales advisory KB0030173 for the vendor-supported remediation.
- Review Thales passwordless preinstallation guidance for applicable mitigation requirements.
- Prioritize authentication-critical or externally reachable deployments for assessment.
- Apply only vendor-approved updates or configuration changes.
Validation and detection
- Confirm installed SafeNet Agent versions through endpoint inventory or software management records.
- Verify versions 4.0.0, 4.1.1, and 4.1.2 are tracked as affected.
- Check whether vendor guidance identifies configuration-specific exposure or prerequisites.
- After remediation, confirm affected versions or vulnerable configurations are absent.
- Monitor Thales guidance and the CVE record for revisions.
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-295: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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-2026-0872 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
- Low
- CVSS
- 2.5 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:H/SI:H/SA:L/E:P
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.
SSVC decision data
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:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:H/SI:H/SA:L/E:P——THA-PSIRTVulnerability scoring details
Base CVSS 4.0 score
2.5LowVector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:H/SI:H/SA:L/E:P
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://thalesdocs.com/sta/agents/wla-windows_logon/wla-preinstallation_passwordless/index.htmlCVE reference, THA-PSIRT · mitigation
- https://supportportal.thalesgroup.com/csm?sys_kb_id=247fd4a42b4a7290061af3f5f291bff1&id=kb_article_view&sysparm_rank=1&sysparm_tsqueryId=5ecb72c73b927610381ecfaf55e45a0b&sysparm_article=KB0030173CVE reference, THA-PSIRT · vendor-advisory
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.
Improper Certificate Validation
Improper Certificate Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.