Security readout for executives and security teams
Plain-English summary
CVE-2026-22536 affects EFACEC QC 60/90/120 version 8. The reported issue is a sudoers permissions gap that can allow privilege escalation on the device. This matters because a user with local access could potentially gain powerful system privileges.
Executive priority
Treat as high priority if affected EFACEC QC systems are deployed in operational environments. The issue can undermine administrative boundaries, but current public evidence does not show active exploitation or a named patch.
Technical view
The CVE describes CWE-269: improper privilege management. EFACEC QC 60/90/120 version 8 has an absence of permission controls for user “XXX” in sudoers, allowing escalation without restrictions. CVSS v4.0 is 8.6 High with local attack vector and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to organizations running EFACEC QC 60/90/120 version 8. The CVE states other versions are unaffected by default, but the source bundle does not provide a detailed version matrix beyond version 8.
Exploitation context
Public sources provided do not report active exploitation, and the CVE is not marked in CISA KEV. The attack vector is local, indicating the risk is most relevant where users or processes can access the affected system environment.
Researcher notes
The public data is sparse. The only technical detail is the sudoers permission-control failure for user “XXX.” No exploit details, patch version, advisory text, or detection indicators are included in the provided sources.
Mitigation direction
- Check EFACEC or Thales guidance for official fixes or hardening instructions.
- Inventory affected EFACEC QC 60/90/120 version 8 systems.
- Restrict local and interactive access to affected systems where operationally feasible.
- Review sudoers privileges under approved change control.
Validation and detection
- Confirm whether EFACEC QC 60/90/120 version 8 is deployed.
- Review sudoers configuration for user “XXX” or unrestricted sudo entries.
- Check vendor channels for an advisory, patch, or configuration guidance.
- Document compensating controls limiting local system access.
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-269: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. 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 lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-22536 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
- 8.6 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
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.
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:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
8.6HighVector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source materials
- CVE List V5 sourceCVE List V5
- https://cds.thalesgroup.com/enCVE reference
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 Privilege Management
Improper Privilege Management represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.