Siemens SIMATIC S7-1500 CPU

171 known vulnerabilities in Siemens SIMATIC S7-1500 CPU, 5 critical, 3 actively exploited, with patch priority, exploit likelihood and the news covering them.

Recently exploited

  • CVE-2025-39964 CVSS 5.5 medium · actively exploited Linux Kernel Race Condition Vulnerability
  • CVE-2023-44487 CVSS 7.5 high · actively exploited HTTP/2 Rapid Reset Attack Vulnerability
  • CVE-2023-4911 CVSS 7.8 high · actively exploited GNU C Library Buffer Overflow Vulnerability

Latest vulnerabilities

  • CVE-2026-64552 CVSS 8.4 high In the Linux kernel, the following vulnerability has been resolved: virtio-net: fix len check in receive_big() receive_big() bounds the…
  • CVE-2026-64545 CVSS 7.5 high In the Linux kernel, the following vulnerability has been resolved: net, bpf: check master for NULL in xdp_master_redirect()…
  • CVE-2026-64538 not yet scored In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix null-ptr-deref in fib6_nh_mtu_change(). fib6_nh_mtu_change()…
  • CVE-2026-64425 CVSS 5.5 medium In the Linux kernel, the following vulnerability has been resolved: io_uring/io-wq: re-check IO_WQ_BIT_EXIT for each linked work item…
  • CVE-2026-64423 CVSS 7.8 high In the Linux kernel, the following vulnerability has been resolved: ipv4: igmp: remove multicast group from hash table on device…
  • CVE-2026-64422 CVSS 7.1 high In the Linux kernel, the following vulnerability has been resolved: net: ipv4: bound TCP reordering sysctl writes and MTU probe sizes…
  • CVE-2026-64413 CVSS 7.0 high In the Linux kernel, the following vulnerability has been resolved: netfilter: ebtables: zero chainstack array sashiko reports: looking at…
  • CVE-2026-64412 CVSS 7.1 high In the Linux kernel, the following vulnerability has been resolved: netfilter: ebtables: module names must be null-terminated We need to…
  • CVE-2026-64411 CVSS 7.1 high In the Linux kernel, the following vulnerability has been resolved: netfilter: ebtables: terminate table name before find_table_lock()…
  • CVE-2026-64375 CVSS 7.8 high In the Linux kernel, the following vulnerability has been resolved: proc: protect ptrace_may_access() with exec_update_lock (FD links)…
  • CVE-2026-64371 CVSS 5.5 medium In the Linux kernel, the following vulnerability has been resolved: proc: protect ptrace_may_access() with exec_update_lock (part 1) Fix…
  • CVE-2026-64370 CVSS 5.5 medium In the Linux kernel, the following vulnerability has been resolved: posix-cpu-timers: Fix pid refcount leak in do_cpu_nanosleep() error…
  • CVE-2026-64317 CVSS 7.1 high In the Linux kernel, the following vulnerability has been resolved: isofs: bound Rock Ridge symlink components to the SL record…
  • CVE-2026-64279 CVSS 7.8 high In the Linux kernel, the following vulnerability has been resolved: i2c: core: fix adapter deregistration race Adapters can be looked up…
  • CVE-2026-63810 not yet scored In the Linux kernel, the following vulnerability has been resolved: block: Avoid mounting the bdev pseudo-filesystem in userspace The bdev…
  • CVE-2026-53400 CVSS 7.8 high In the Linux kernel, the following vulnerability has been resolved: i2c: core: fix adapter registration race Adapters can be looked up…
  • CVE-2026-53352 CVSS 4.7 medium In the Linux kernel, the following vulnerability has been resolved: signal: clear JOBCTL_PENDING_MASK for caller in zap_other_threads()…
  • CVE-2026-53295 CVSS 5.5 medium In the Linux kernel, the following vulnerability has been resolved: mailbox: add sanity check for channel array Fail gracefully if there…
  • CVE-2026-53275 CVSS 8.8 high In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: Fix use-after-free when processing MLD queries When…
  • CVE-2026-53269 CVSS 5.5 medium In the Linux kernel, the following vulnerability has been resolved: netfilter: synproxy: add mutex to guard hook reference counting As the…
  • CVE-2026-53268 CVSS 8.2 high In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack_irc: fix possible out-of-bounds read When parsing…
  • CVE-2026-53249 CVSS 5.5 medium In the Linux kernel, the following vulnerability has been resolved: ipv4: restrict IPOPT_SSRR and IPOPT_LSRR options This patch restricts…
  • CVE-2026-53239 CVSS 7.8 high In the Linux kernel, the following vulnerability has been resolved: xfrm: policy: fix use-after-free on inexact bin in…
  • CVE-2026-53236 CVSS 5.5 medium In the Linux kernel, the following vulnerability has been resolved: tcp: restrict SO_ATTACH_FILTER to priv users This patch restricts the…
  • CVE-2026-53223 CVSS 7.1 high In the Linux kernel, the following vulnerability has been resolved: net: guard timestamp cmsgs to real error queue skbs skb_is_err_queue()…
  • CVE-2026-53219 CVSS 5.5 medium In the Linux kernel, the following vulnerability has been resolved: netfilter: x_tables: avoid leaking percpu counter pointers The native…
  • CVE-2026-53218 CVSS 5.5 medium In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_exthdr: fix register tracking for F_PRESENT flag…
  • CVE-2026-53134 CVSS 5.5 medium In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_fib: fix stale stack leak via the OIFNAME register For…
  • CVE-2026-53050 CVSS 7.8 high In the Linux kernel, the following vulnerability has been resolved: quota: Fix race of dquot_scan_active() with quota deactivation…
  • CVE-2026-53012 CVSS 5.5 medium In the Linux kernel, the following vulnerability has been resolved: nexthop: fix IPv6 route referencing IPv4 nexthop syzbot reported a…