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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
21,928
Critical
3,121
High
7,064
Medium
6,896
Low
608
Severity not reported
4,239
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-2026-65016
n8n versions before 1.123.64, 2.29.8, and 2.30.1 contain a privilege escalation...
high 8.8 —N8n / n8n 2026-07-222026-10-29
CVE-2026-58205
GRR is a resource management and reservation application.
high 8.1 —— 2026-10-272026-10-29
CVE-2026-59158
Nuxt Ollama integrates the official Ollama JavaScript library into Nuxt applicat...
high 7.5 —— 2026-10-272026-10-29
CVE-2026-59257
n8n before 1.123.61, 2.x before 2.27.4, and 2.28.x before 2.28.1 contains a SQL...
high 8.8 —N8n / n8n 2026-07-082026-10-29
CVE-2026-58202
OpenReception's appointment booking software provides an end-to-end encrypted ap...
high 8.3 —— 2026-10-232026-10-29
CVE-2026-56776
n8n before 1.123.55, 2.25.7, and 2.26.2 contains an authorization bypass in the...
high 7.4 —N8n / n8n 2026-07-082026-10-29
CVE-2026-118659
Happy DOM is a JavaScript implementation of a web browser without its graphical...
high 7.5 —— 2026-10-282026-10-29
CVE-2026-116009
Camaleon CMS before 2.9.3 contains a path traversal vulnerability that allows us...
high 8.8 —— 2026-10-242026-10-29
CVE-2026-115969
A flaw has been found in Travisun Opptrix 0.4.0.
high 7.3 —— 2026-10-242026-10-29
CVE-2026-108086
** UNSUPPORTED WHEN ASSIGNED ** Improper restriction of recursive entity referen...
high 7.5 —— 2026-10-202026-10-29
CVE-2026-108087
** UNSUPPORTED WHEN ASSIGNED ** Improper neutralization of special elements used...
high 8.8 —— 2026-10-202026-10-29
CVE-2026-63889
In the Linux kernel, the following vulnerability has been resolved: scsi: scsi_...
high 8.1 —Linux / linux kernel 2026-07-192026-10-29
CVE-2026-83749
Use after free in Windows Overlay Filter allows an authorized attacker to elevat...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-29
CVE-2026-83750
Time-of-check time-of-use (toctou) race condition in Windows Error Reporting all...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-29
CVE-2026-83751
Use after free in Windows MIDI Service Module allows an authorized attacker to e...
high 7.0 —Microsoft / windows 11 24h2 2026-10-132026-10-29
CVE-2026-83752
Use after free in Windows Installer allows an authorized attacker to elevate pri...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-29
CVE-2026-83753
Heap-based buffer overflow in Windows Camera Frame Server Monitor allows an auth...
high 7.8 —Microsoft / windows 10 21h2 2026-10-132026-10-29
CVE-2026-83754
Heap-based buffer overflow in OpenSSH for Windows allows an unauthorized attacke...
high 7.5 —Microsoft / windows 10 1809 2026-10-132026-10-29
CVE-2026-83757
Heap-based buffer overflow in Windows Win32K allows an authorized attacker to el...
high 7.8 —Microsoft / windows 11 23h2 2026-10-132026-10-29
CVE-2026-100413
SeaweedFS is a distributed storage system for files and blobs.
high 7.1 —Seaweedfs / seaweedfs 2026-10-142026-10-29
CVE-2026-83712
Out-of-bounds write in Windows NTFS allows an authorized attacker to execute cod...
high 7.8 —Microsoft / windows 10 1809 2026-10-132026-10-29
CVE-2026-83704
Improper link resolution before file access ('link following') in Microsoft Wind...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-29
CVE-2026-28854
The issue was addressed with additional app bundle integrity checks.
high 7.5 —Apple / macos 2026-10-202026-10-29
CVE-2026-83690
Use after free in Windows Kernel allows an authorized attacker to elevate privil...
high 7.8 —Microsoft / windows 10 1809 2026-10-132026-10-29
CVE-2026-83691
Heap-based buffer overflow in Windows DHCP Server allows an authorized attacker...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-29
CVE-2026-83758
Heap-based buffer overflow in Windows Error Reporting allows an authorized attac...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-29
CVE-2026-83665
Null pointer dereference in Windows DHCP Server allows an unauthorized attacker...
high 7.5 —Microsoft / windows 10 1809 2026-10-132026-10-29
CVE-2026-83669
Use of uninitialized resource in Windows Error Reporting allows an authorized at...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-29
CVE-2026-83675
Use after free in Windows Kernel allows an authorized attacker to elevate privil...
high 7.0 —Microsoft / windows 11 24h2 2026-10-132026-10-29
CVE-2026-83676
Integer underflow (wrap or wraparound) in Windows Installer allows an authorized...
high 7.0 —Microsoft / windows 10 21h2 2026-10-132026-10-29
CVE-2026-83522
Reliance on untrusted inputs in a security decision in Windows IKE Extension all...
high 8.1 —Microsoft / windows 10 1607 2026-10-132026-10-29
CVE-2026-83677
Missing release of memory after effective lifetime in Windows DHCP Client allows...
high 7.5 —Microsoft / windows 11 24h2 2026-10-132026-10-29
CVE-2026-83678
Heap-based buffer overflow in Windows TCP/IP allows an authorized attacker to el...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-29
CVE-2026-83679
Use after free in Windows Defender Firewall Service allows an authorized attacke...
high 7.8 —Microsoft / windows 11 23h2 2026-10-132026-10-29
CVE-2026-83655
Out-of-bounds read in Network Policy Server (NPS) allows an unauthorized attacke...
high 7.5 —Microsoft / windows 10 1607 2026-10-132026-10-29
CVE-2026-83659
Improper link resolution before file access ('link following') in Windows User P...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-29
CVE-2026-83654
Missing authentication for critical function in Windows Modern Device Management...
high 7.8 —Microsoft / windows 10 21h2 2026-10-132026-10-29
CVE-2026-83680
Heap-based buffer overflow in Windows Installer allows an authorized attacker to...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-29
CVE-2026-83682
Use after free in Windows TCP/IP allows an authorized attacker to elevate privil...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-29
CVE-2026-83650
Heap-based buffer overflow in Windows Media allows an authorized attacker to ele...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-29

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.