High severity · published Jun 9, 2026
CVE-2026-46748
A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 6)
7.8
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 11% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SI
SINEC INS · Siemens
before V1.0 SP2 Update 6 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-46748
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-46748
Vendor Advisory
https://cert-portal.siemens.com/productcert/html/ssa-860189.html
More from SINEC INS
7.5
CVE-2023-44487
HTTP/2 Rapid Reset Attack Vulnerability
9.9
CVE-2024-46888
A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 3)
9.8
CVE-2026-46749
A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 6)
9.8
CVE-2023-48427
A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 2)
9.1
CVE-2024-46890
A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 3)