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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
24,544
Critical
3,297
High
7,958
Medium
7,628
Low
740
Severity not reported
4,921
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-2026-89499
In the Linux kernel, the following vulnerability has been resolved: ring-buffer...
high 7.8 —— 2026-09-112026-10-19
CVE-2026-89500
In the Linux kernel, the following vulnerability has been resolved: ring-buffer...
high 7.8 —— 2026-09-112026-10-19
CVE-2026-89501
In the Linux kernel, the following vulnerability has been resolved: ring-buffer...
high 7.8 —— 2026-09-112026-10-19
CVE-2026-89503
In the Linux kernel, the following vulnerability has been resolved: ring-buffer...
high 7.8 —— 2026-09-112026-10-19
CVE-2026-89504
In the Linux kernel, the following vulnerability has been resolved: regulator:...
high 8.4 —— 2026-09-112026-10-19
CVE-2026-89507
In the Linux kernel, the following vulnerability has been resolved: RDMA/ucma:...
high 7.8 —— 2026-09-112026-10-19
CVE-2026-89493
In the Linux kernel, the following vulnerability has been resolved: ocfs2: vali...
high 8.8 —— 2026-09-112026-10-19
CVE-2026-89497
In the Linux kernel, the following vulnerability has been resolved: orangefs: s...
high 7.8 —— 2026-09-112026-10-19
CVE-2026-89486
In the Linux kernel, the following vulnerability has been resolved: ipmi: Fix u...
high 7.8 —— 2026-09-112026-10-19
CVE-2026-89487
In the Linux kernel, the following vulnerability has been resolved: openvswitch...
high 7.8 —— 2026-09-112026-10-19
CVE-2026-89488
In the Linux kernel, the following vulnerability has been resolved: openvswitch...
high 7.8 —— 2026-09-112026-10-19
CVE-2026-89489
In the Linux kernel, the following vulnerability has been resolved: openrisc: f...
high 7.8 —— 2026-09-112026-10-19
CVE-2026-89483
In the Linux kernel, the following vulnerability has been resolved: nvme: zero...
high 7.5 —— 2026-09-112026-10-19
CVE-2026-89476
In the Linux kernel, the following vulnerability has been resolved: sctp: fix s...
high 7.5 —— 2026-09-112026-10-19
CVE-2026-89477
In the Linux kernel, the following vulnerability has been resolved: sctp: fix N...
high 7.5 —— 2026-09-112026-10-19
CVE-2026-89466
In the Linux kernel, the following vulnerability has been resolved: power: supp...
high 7.7 —— 2026-09-112026-10-19
CVE-2026-89469
In the Linux kernel, the following vulnerability has been resolved: power: supp...
high 8.4 —— 2026-09-112026-10-19
CVE-2026-89470
In the Linux kernel, the following vulnerability has been resolved: power: supp...
high 8.4 —— 2026-09-112026-10-19
CVE-2026-89471
In the Linux kernel, the following vulnerability has been resolved: power: supp...
high 8.4 —— 2026-09-112026-10-19
CVE-2026-89459
In the Linux kernel, the following vulnerability has been resolved: s390/percpu...
high 7.0 —— 2026-09-112026-10-19
CVE-2026-89450
In the Linux kernel, the following vulnerability has been resolved: iommu/tegra...
high 8.8 —— 2026-09-112026-10-19
CVE-2026-89456
In the Linux kernel, the following vulnerability has been resolved: s390/dasd:...
high 7.0 —— 2026-09-112026-10-19
CVE-2026-89442
In the Linux kernel, the following vulnerability has been resolved: platform/x8...
high 7.8 —— 2026-09-112026-10-19
CVE-2026-89443
In the Linux kernel, the following vulnerability has been resolved: platform/x8...
high 7.1 —— 2026-09-112026-10-19
CVE-2026-89445
In the Linux kernel, the following vulnerability has been resolved: iommufd: Fi...
high 8.8 —— 2026-09-112026-10-19
CVE-2026-81017
In the Linux kernel, the following vulnerability has been resolved: platform/ch...
high 8.4 —— 2026-09-112026-10-19
CVE-2026-89436
In the Linux kernel, the following vulnerability has been resolved: platform/x8...
high 7.8 —— 2026-09-112026-10-19
CVE-2026-89440
In the Linux kernel, the following vulnerability has been resolved: mmc: via-sd...
high 7.8 —— 2026-09-112026-10-19
CVE-2026-81007
In the Linux kernel, the following vulnerability has been resolved: ipmi: ipmb:...
high 7.1 —— 2026-09-112026-10-19
CVE-2026-81008
In the Linux kernel, the following vulnerability has been resolved: interconnec...
high 7.8 —— 2026-09-112026-10-19
CVE-2026-81010
In the Linux kernel, the following vulnerability has been resolved: io_uring/wa...
high 7.8 —— 2026-09-112026-10-19
CVE-2026-81011
In the Linux kernel, the following vulnerability has been resolved: platform/x8...
high 7.1 —— 2026-09-112026-10-19
CVE-2026-81012
In the Linux kernel, the following vulnerability has been resolved: platform/x8...
high 8.4 —— 2026-09-112026-10-19
CVE-2026-81015
In the Linux kernel, the following vulnerability has been resolved: platform/x8...
high 7.8 —— 2026-09-112026-10-19
CVE-2026-81000
In the Linux kernel, the following vulnerability has been resolved: net: tun: b...
high 7.8 —— 2026-09-112026-10-19
CVE-2026-81001
In the Linux kernel, the following vulnerability has been resolved: slip: fix u...
high 7.8 —— 2026-09-112026-10-19
CVE-2026-81003
In the Linux kernel, the following vulnerability has been resolved: net/iucv: f...
high 8.1 —— 2026-09-112026-10-19
CVE-2026-81004
In the Linux kernel, the following vulnerability has been resolved: ipmi:msghan...
high 8.4 —— 2026-09-112026-10-19
CVE-2026-81006
In the Linux kernel, the following vulnerability has been resolved: ipmi: Remov...
high 7.8 —— 2026-09-112026-10-19
CVE-2026-80992
In the Linux kernel, the following vulnerability has been resolved: net: ravb:...
high 7.8 —— 2026-09-112026-10-19

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.