Security readout for executives and security teams
Plain-English summary
Splinterware System Scheduler Pro 5.12 can let a local low-privilege user gain LocalSystem-level control by abusing writable service files. This is serious where the product is installed on shared Windows servers, administrator workstations, or managed endpoints. The bundle does not show confirmed active exploitation.
Executive priority
Prioritize discovery and remediation on shared Windows systems and privileged administration workstations. This is not described as remotely exploitable, but it can turn limited local access into full system control on affected hosts.
Technical view
The issue is CWE-276 insecure default permissions in Splinterware System Scheduler Pro 5.12. The installation directory/service executable can be modified by low-privilege users, causing attacker-controlled code to run as LocalSystem when the service is triggered. CVSS v4.0 is 8.6, local attack vector, high impact to vulnerable host confidentiality, integrity, and availability.
Likely exposure
Exposure is limited to systems running Splinterware System Scheduler Pro version 5.12. Risk is highest where untrusted or standard users can log on locally or where endpoint compromise could pivot into LocalSystem privileges through the scheduler service.
Exploitation context
A public ExploitDB reference is listed, so exploitation knowledge appears public. The source bundle marks KEV as false and provides no cited evidence of active exploitation in the wild. Treat this as a local privilege escalation requiring host access, not a remote internet-facing bug.
Researcher notes
The provided evidence identifies version 5.12 and CWE-276 but does not include a vendor fix statement. CVE publication is recent, dated 2026-05-25, while the vulnerability title references an older product version. Validate product lineage and current vendor guidance before closing findings.
Mitigation direction
- Identify all installations of Splinterware System Scheduler Pro 5.12.
- Check Splinterware guidance for fixed versions or vendor-approved remediation.
- Remove or isolate the product where it is unnecessary.
- Restrict local interactive access on affected systems.
- Monitor the product directory and service binary for unexpected changes.
- Do not rely on ad hoc ACL changes without vendor validation.
Validation and detection
- Confirm whether System Scheduler Pro 5.12 is installed on Windows assets.
- Review installation directory permissions for low-privilege write access.
- Verify the service executable path and file integrity against a trusted source.
- Check endpoint logs for unexpected service binary changes or service restarts.
- Prioritize shared systems and machines with many local users.
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-276: 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 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-2018-25359 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.
SSVC decision data
CVSS vector scores
2 official scoresWe 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——VulnCheckCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H2.55.9VulnCheckVulnerability 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
Base CVSS 3.1 score
8.4HighVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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
- ExploitDB-45072CVE reference, VulnCheck · exploit
- Official Product HomepageCVE reference, VulnCheck · product
- VulnCheck Advisory: Splinterware System Scheduler Pro 5.12 Privilege EscalationCVE reference, VulnCheck · third-party-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.
Incorrect Default Permissions
Incorrect Default Permissions represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.