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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
21,937
Critical
3,121
High
7,064
Medium
6,901
Low
608
Severity not reported
4,243
In CISA KEV
186

Most affected vendors (by CPE data where available): microsoft (1423), linux (722), google (413), ibm (321), oracle (193), mozilla (182), adobe (165), broadcom (118), apache (115), fabian (98)

CVESeverityCVSSKEVVendor / productPublishedModified
CVE-2026-63954
In the Linux kernel, the following vulnerability has been resolved: hpfs: fix a...
high 7.8 —Linux / linux kernel 2026-07-192026-10-30
CVE-2026-63951
In the Linux kernel, the following vulnerability has been resolved: zram: fix u...
high 7.8 —Linux / linux kernel 2026-07-192026-10-30
CVE-2026-63957
In the Linux kernel, the following vulnerability has been resolved: USB: serial...
high 7.8 —Linux / linux kernel 2026-07-192026-10-30
CVE-2026-63956
In the Linux kernel, the following vulnerability has been resolved: USB: serial...
high 7.8 —Linux / linux kernel 2026-07-192026-10-30
CVE-2026-63907
In the Linux kernel, the following vulnerability has been resolved: uio: uio_pc...
high 7.8 —Linux / linux kernel 2026-07-192026-10-30
CVE-2026-63909
In the Linux kernel, the following vulnerability has been resolved: ksmbd: OOB...
high 8.1 —Linux / linux kernel 2026-07-192026-10-30
CVE-2026-63910
In the Linux kernel, the following vulnerability has been resolved: dma-buf: fi...
high 7.8 —Linux / linux kernel 2026-07-192026-10-30
CVE-2026-63911
In the Linux kernel, the following vulnerability has been resolved: xfrm: iptfs...
high 7.8 —Linux / linux kernel 2026-07-192026-10-30
CVE-2026-63918
In the Linux kernel, the following vulnerability has been resolved: l2tp: use r...
high 7.8 —Linux / linux kernel 2026-07-192026-10-30
CVE-2026-63928
In the Linux kernel, the following vulnerability has been resolved: USB: serial...
high 7.8 —Linux / linux kernel 2026-07-192026-10-30
CVE-2026-63930
In the Linux kernel, the following vulnerability has been resolved: iio: buffer...
high 7.8 —Linux / linux kernel 2026-07-192026-10-30
CVE-2026-63934
In the Linux kernel, the following vulnerability has been resolved: iio: gyro:...
high 7.1 —Linux / linux kernel 2026-07-192026-10-30
CVE-2026-63943
In the Linux kernel, the following vulnerability has been resolved: Input: xpad...
high 7.1 —Linux / linux kernel 2026-07-192026-10-30
CVE-2026-63949
In the Linux kernel, the following vulnerability has been resolved: auxdisplay:...
high 7.1 —Linux / linux kernel 2026-07-192026-10-30
CVE-2026-63950
In the Linux kernel, the following vulnerability has been resolved: mm/rmap: in...
high 7.8 —Linux / linux kernel 2026-07-192026-10-30
CVE-2026-64400
In the Linux kernel, the following vulnerability has been resolved: ksmbd: prev...
high 8.6 —Linux / linux kernel 2026-07-252026-10-30
CVE-2026-64424
In the Linux kernel, the following vulnerability has been resolved: netpoll: fi...
high 7.8 —Linux / linux kernel 2026-07-252026-10-30
CVE-2026-64444
In the Linux kernel, the following vulnerability has been resolved: staging: rt...
high 8.1 —Linux / linux kernel 2026-07-252026-10-30
CVE-2026-64388
In the Linux kernel, the following vulnerability has been resolved: smb/client:...
high 7.8 —Linux / linux kernel 2026-07-252026-10-30
CVE-2026-64389
In the Linux kernel, the following vulnerability has been resolved: ksmbd: vali...
high 8.2 —Linux / linux kernel 2026-07-252026-10-30
CVE-2026-64341
In the Linux kernel, the following vulnerability has been resolved: USB: iowarr...
high 7.8 —Linux / linux kernel 2026-07-252026-10-30
CVE-2026-64348
In the Linux kernel, the following vulnerability has been resolved: usb: free i...
high 7.8 —Linux / linux kernel 2026-07-252026-10-30
CVE-2026-64305
In the Linux kernel, the following vulnerability has been resolved: crypto: qat...
high 7.8 —Linux / linux kernel 2026-07-252026-10-30
CVE-2026-64138
In the Linux kernel, the following vulnerability has been resolved: ksmbd: vali...
high 8.8 —Linux / linux kernel 2026-07-192026-10-30
CVE-2026-64077
In the Linux kernel, the following vulnerability has been resolved: netfilter:...
high 7.8 —Linux / linux kernel 2026-07-192026-10-30
CVE-2026-64076
In the Linux kernel, the following vulnerability has been resolved: netfilter:...
high 7.8 —Linux / linux kernel 2026-07-192026-10-30
CVE-2026-64036
In the Linux kernel, the following vulnerability has been resolved: cgroup/rsta...
high 7.8 —Linux / linux kernel 2026-07-192026-10-30
CVE-2026-64017
In the Linux kernel, the following vulnerability has been resolved: blk-mq: pop...
high 7.8 —Linux / linux kernel 2026-07-192026-10-30
CVE-2026-64015
In the Linux kernel, the following vulnerability has been resolved: security/ke...
high 7.8 —Linux / linux kernel 2026-07-192026-10-30
CVE-2026-63856
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/...
high 7.8 —Linux / linux kernel 2026-07-192026-10-30
CVE-2026-63855
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/...
high 7.8 —Linux / linux kernel 2026-07-192026-10-30
CVE-2026-63853
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/...
high 7.8 —Linux / linux kernel 2026-07-192026-10-30
CVE-2026-63854
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/...
high 7.8 —Linux / linux kernel 2026-07-192026-10-30
CVE-2026-63847
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/...
high 7.8 —Linux / linux kernel 2026-07-192026-10-30
CVE-2026-63848
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/...
high 7.8 —Linux / linux kernel 2026-07-192026-10-30
CVE-2026-63845
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/...
high 7.8 —Linux / linux kernel 2026-07-192026-10-30
CVE-2026-63846
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/...
high 7.8 —Linux / linux kernel 2026-07-192026-10-30
CVE-2026-53401
In the Linux kernel, the following vulnerability has been resolved: fbdev: omap...
high 7.8 —Linux / linux kernel 2026-07-192026-10-30
CVE-2026-53330
In the Linux kernel, the following vulnerability has been resolved: drm/amd/dis...
high 7.1 —Linux / linux kernel 2026-07-012026-10-30
CVE-2026-53368
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix f...
high 7.1 —Linux / linux kernel 2026-07-192026-10-30

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.