CVE-2026-59241A vulnerability has been identified in SIMATIC WinCC V7.5 (All versions), SIMATIC WinCC V8.0 (All versions < V8.0 Update 11), SIMATIC WinCC V8.1 (All versions < V8.1 Update 7).
Updated under an hour ago ()
Does this affect you?
It affects Siemens SIMATIC WinCC V7.5 and 2 other products. Add what you run to find out whether that includes you.
EPSS puts the chance of exploitation in the next 30 days at 0.50%, higher than 41% of scored CVEs.
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A vulnerability has been identified in SIMATIC WinCC V7.5 (All versions), SIMATIC WinCC V8.0 (All versions < V8.0 Update 11), SIMATIC WinCC V8.1 (All versions < V8.1 Update 7). The affected application does not sufficiently restrict the permissions assigned to a database role. This could allow an authenticated remote attacker with database access to escalate privileges and execute arbitrary commands on the host system where SIMATIC WinCC is installed, potentially leading to a compromise of the system.
- CVSS
- 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-266
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 0.50% (percentile 41)
- Assigned by
- siemens
- NVD analysis
- Deferred
- Record last updated
- Oct 16, 2026
- First seen by InfoSec Signals
- Oct 13, 2026
Affected products
Siemens SIMATIC WinCC V7.5 siemens:simatic_wincc_v7.5 (from the name) | all versions | CNA record |
Siemens SIMATIC WinCC V8.0 siemens:simatic_wincc_v8.0 (from the name) | before V8.0 Update 11 | CNA record |
Siemens SIMATIC WinCC V8.1 siemens:simatic_wincc_v8.1 (from the name) | before V8.1 Update 7 | CNA record |
References
- https://cert-portal.siemens.com/productcert/html/ssa-550198.html
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.