CVE-2026-46748
CVE-2026-46748 is a high-severity vulnerability in Siemens Sinec Ins with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-250.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v4: 8.7
- EPSS exploit prediction: 0% (11th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-35385
- Weakness: CWE-250
- Affected product: Siemens Sinec Ins
- Published:
- Last modified:
Description
A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 6). The affected system includes a binary that is configured with the cap_dac_override capability. This capability allows the process to bypass file system permission checks, resulting in unrestricted file system access. This could allow a local attacker to escalate privileges leading to arbitrary file modification and gaining root privileges on the system.
Frequently asked questions
- What is CVE-2026-46748?
- A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 6). The affected system includes a binary that is configured with the cap_dac_override capability. This capability allows the process to bypass file system permission checks, resulting in unrestricted file system access. This could allow a local attacker to escalate privileges leading to arbitrary file modification and gaining root privileges on the system.
- How severe is CVE-2026-46748?
- CVE-2026-46748 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-46748 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-46748?
- CVE-2026-46748 primarily affects Siemens Sinec Ins. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2026-46748?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-46748 have an EU (EUVD) identifier?
- Yes. CVE-2026-46748 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35385.
- When was CVE-2026-46748 published?
- CVE-2026-46748 was published on 2026-06-09 and last updated on 2026-06-17.
References
Affected products (8)
- cpe:2.3:a:siemens:sinec_ins:*:-:*:*:*:*:*:*
- cpe:2.3:a:siemens:sinec_ins:1.0:sp1:*:*:*:*:*:*
- cpe:2.3:a:siemens:sinec_ins:1.0:sp2:*:*:*:*:*:*
- cpe:2.3:a:siemens:sinec_ins:1.0:sp2_update_1:*:*:*:*:*:*
- cpe:2.3:a:siemens:sinec_ins:1.0:sp2_update_2:*:*:*:*:*:*
- cpe:2.3:a:siemens:sinec_ins:1.0:sp2_update_3:*:*:*:*:*:*
- cpe:2.3:a:siemens:sinec_ins:1.0:sp2_update_4:*:*:*:*:*:*
- cpe:2.3:a:siemens:sinec_ins:1.0:sp2_update_5:*:*:*:*:*:*
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