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October 2026 CVE archive

Records last modified in NIST NVD between Oct 1 and Oct 31, 2026 (UTC). Data imported from the NVD CVE API 2.0 and the CISA KEV catalog; each record shows its own source and verification time. The modified view only includes records that were CRITICAL or CISA-KEV-listed when imported — it is not a complete list of every modification.

Published in October 2026Materially updated (Critical / KEV)
Total records
24,583
Critical
3,295
High
7,975
Medium
7,639
Low
740
Severity not reported
4,934
In CISA KEV
191

Most affected vendors (by CPE data where available): microsoft (1424), google (825), linux (722), ibm (323), oracle (193), mozilla (182), adobe (165), broadcom (118), apache (116), fabian (98)

CVESeverityCVSSKEVVendor / productPublishedModified
CVE-2026-53267
In the Linux kernel, the following vulnerability has been resolved: netfilter:...
high 7.8 —Linux / linux kernel 2026-06-252026-10-30
CVE-2026-53232
In the Linux kernel, the following vulnerability has been resolved: net: phy: c...
high 8.8 —Linux / linux kernel 2026-06-252026-10-30
CVE-2026-53229
In the Linux kernel, the following vulnerability has been resolved: net/mlx5e:...
high 7.5 —Linux / linux kernel 2026-06-252026-10-30
CVE-2026-53230
In the Linux kernel, the following vulnerability has been resolved: net/mlx5: F...
high 8.7 —Linux / linux kernel 2026-06-252026-10-30
CVE-2026-53129
In the Linux kernel, the following vulnerability has been resolved: fs/mbcache:...
high 7.8 —Linux / linux kernel 2026-06-242026-10-30
CVE-2026-53178
In the Linux kernel, the following vulnerability has been resolved: staging: rt...
high 8.1 —Linux / linux kernel 2026-06-252026-10-30
CVE-2026-53025
In the Linux kernel, the following vulnerability has been resolved: greybus: ra...
high 7.8 —Linux / linux kernel 2026-06-242026-10-30
CVE-2026-53053
In the Linux kernel, the following vulnerability has been resolved: iommu/amd:...
high 8.8 —Linux / linux kernel 2026-06-242026-10-30
CVE-2026-53070
In the Linux kernel, the following vulnerability has been resolved: sctp: disab...
high 7.5 —Linux / linux kernel 2026-06-242026-10-30
CVE-2026-53076
In the Linux kernel, the following vulnerability has been resolved: bpf: Fix OO...
high 7.1 —Linux / linux kernel 2026-06-242026-10-30
CVE-2026-53024
In the Linux kernel, the following vulnerability has been resolved: greybus: ra...
high 7.8 —Linux / linux kernel 2026-06-242026-10-30
CVE-2026-53009
In the Linux kernel, the following vulnerability has been resolved: ice: fix do...
high 7.8 —Linux / linux kernel 2026-06-242026-10-30
CVE-2026-53000
In the Linux kernel, the following vulnerability has been resolved: netfilter:...
high 7.8 —Linux / linux kernel 2026-06-242026-10-30
CVE-2026-52991
In the Linux kernel, the following vulnerability has been resolved: sched/psi:...
high 7.8 —Linux / linux kernel 2026-06-242026-10-30
CVE-2026-52956
In the Linux kernel, the following vulnerability has been resolved: libceph: Fi...
high 7.5 —Linux / linux kernel 2026-06-242026-10-30
CVE-2026-46324
In the Linux kernel, the following vulnerability has been resolved: netfilter:...
high 7.8 —Linux / linux kernel 2026-06-092026-10-30
CVE-2026-46330
In the Linux kernel, the following vulnerability has been resolved: Revert "net...
high 7.8 —Linux / linux kernel 2026-06-092026-10-30
CVE-2026-46241
In the Linux kernel, the following vulnerability has been resolved: spi: mpc52x...
high 7.8 —Linux / linux kernel 2026-05-282026-10-30
CVE-2026-46265
In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: F...
high 7.5 —Linux / linux kernel 2026-06-032026-10-30
CVE-2026-46204
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/...
high 7.1 —Linux / linux kernel 2026-05-282026-10-30
CVE-2026-46181
In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx4:...
high 7.8 —Linux / linux kernel 2026-05-282026-10-30
CVE-2026-46157
In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm:...
high 7.8 —Linux / linux kernel 2026-05-282026-10-30
CVE-2026-46175
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix f...
high 7.1 —Linux / linux kernel 2026-05-282026-10-30
CVE-2026-45943
In the Linux kernel, the following vulnerability has been resolved: erofs: fix...
high 7.1 —Linux / linux kernel 2026-05-272026-10-30
CVE-2026-45944
In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d:...
high 7.5 —Linux / linux kernel 2026-05-272026-10-30
CVE-2026-45957
In the Linux kernel, the following vulnerability has been resolved: rcu: Fix rc...
high 7.1 —Linux / linux kernel 2026-05-272026-10-30
CVE-2026-45942
In the Linux kernel, the following vulnerability has been resolved: ext4: fix e...
high 7.8 —Linux / linux kernel 2026-05-272026-10-30
CVE-2026-43490
In the Linux kernel, the following vulnerability has been resolved: ksmbd: vali...
high 8.8 —Linux / linux kernel 2026-05-152026-10-30
CVE-2026-45859
In the Linux kernel, the following vulnerability has been resolved: netfilter:...
high 7.5 —Linux / linux kernel 2026-05-272026-10-30
CVE-2026-45893
In the Linux kernel, the following vulnerability has been resolved: apparmor: F...
high 7.1 —Linux / linux kernel 2026-05-272026-10-30
CVE-2026-45894
In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d:...
high 7.8 —Linux / linux kernel 2026-05-272026-10-30
CVE-2026-43456
In the Linux kernel, the following vulnerability has been resolved: bonding: fi...
high 7.8 —Linux / linux kernel 2026-05-082026-10-30
CVE-2026-43352
In the Linux kernel, the following vulnerability has been resolved: i3c: mipi-i...
high 7.8 —Linux / linux kernel 2026-05-082026-10-30
CVE-2026-43353
In the Linux kernel, the following vulnerability has been resolved: i3c: mipi-i...
high 7.8 —Linux / linux kernel 2026-05-082026-10-30
CVE-2026-43248
In the Linux kernel, the following vulnerability has been resolved: vhost: move...
high 7.8 —Linux / linux kernel 2026-05-062026-10-30
CVE-2026-43249
In the Linux kernel, the following vulnerability has been resolved: 9p/xen: pro...
high 8.8 —Linux / linux kernel 2026-05-062026-10-30
CVE-2026-43250
In the Linux kernel, the following vulnerability has been resolved: usb: chipid...
high 7.8 —Linux / linux kernel 2026-05-062026-10-30
CVE-2026-43253
In the Linux kernel, the following vulnerability has been resolved: iommu/amd:...
high 7.5 —Linux / linux kernel 2026-05-062026-10-30
CVE-2026-43258
In the Linux kernel, the following vulnerability has been resolved: alpha: fix...
high 7.8 —Linux / linux kernel 2026-05-062026-10-30
CVE-2026-43215
In the Linux kernel, the following vulnerability has been resolved: cifs: Fix l...
high 8.8 —Linux / linux kernel 2026-05-062026-10-30

Sources: NIST NVD (CVE API 2.0) and the CISA KEV catalog. Severity is as stated by the source; missing values are shown as “not reported”, never estimated.