Siemens ProductCERT Patchday · November 2026

    SiemensScheduled

    6

    Total

    Deduplicated CVEs in this cycle. For Microsoft, only CVEs first published on Patch Tuesday itself count, excluding browser updates, late additions and cloud fixes.

    0

    Critical

    CVEs with CVSS 9.0 or higher (critical per NVD scale).

    0

    Zero-day

    Actively exploited at time of disclosure (CISA KEV or vendor-confirmed).

    0

    KEV

    Listed in CISA's Known Exploited Vulnerabilities catalog: mandatory for US agencies, best practice for everyone.

    By product family

    Unassigned6 CVEs
    Unassigned
    HighCVE-2026-112136

    A vulnerability has been identified in Mendix Studio Pro 11 (All versions >= V11.15.0 < V11.16.0), Mendix Studio Pro 11.12 (All versions >= V11.12.6 < V11.12.7).

    		—8.8
    HighCVE-2026-109097

    A vulnerability has been identified in ROS# (All versions < V2.3.1).

    		—8.2
    HighCVE-2026-59082

    A vulnerability has been identified in SIMATIC WinCC V7.5 (All versions), SIMATIC WinCC V8.0 (All versions), SIMATIC WinCC V8.1 (All versions).

    		—7.8
    HighCVE-2026-58114

    A vulnerability has been identified in SIMATIC BATCH V9.1 (All versions), SIMATIC Information Server 2020 (All versions), SIMATIC Information Server 2022 (All versions), SIMATIC PCS 7 V9.1 (All versions), SIMATIC Process Historian 2020 (All versions), SIMATIC Process Historian 2022 (All versions), SIMATIC WinCC Runtime Professional V17 (All versions), SIMATIC WinCC Runtime Professional V18 (All versions), SIMATIC WinCC Runtime Professional V19 (All versions), SIMATIC WinCC Runtime Professional V20 (All versions), SIMATIC WinCC Runtime Professional V21 (All versions), SIMATIC WinCC V7.5 (All versions), SIMATIC WinCC V8.0 (All versions), SIMATIC WinCC V8.1 (All versions).

    		—7.5
    HighCVE-2026-109830

    A vulnerability has been identified in meta-iot2050 (All versions >= V01.03.01).

    		—7.3
    MediumCVE-2026-112137

    A vulnerability has been identified in Mendix Studio Pro 11 (All versions >= V11.15.0 < V11.16.0), Mendix Studio Pro 11.12 (All versions >= V11.12.6 < V11.12.7).

    		—5.4