Independent & educational platform Not a government body. No link or affiliation with any government organisation. Made for learning only. Test only systems you own or are authorised to test. Become a Partner or Sponsor → Full disclaimer

October 2026 CVE archive

Records last modified in NIST NVD between Oct 1 and Oct 29, 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
22,209
Critical
3,102
High
7,090
Medium
6,615
Low
674
Severity not reported
4,728
In CISA KEV
188

Most affected vendors (by CPE data where available): microsoft (1176), google (780), ibm (323), mozilla (182), oracle (154), adobe (137), linux (126), apache (116), broadcom (113), fabian (98)

CVESeverityCVSSKEVVendor / productPublishedModified
CVE-2026-85927
Heap-based buffer overflow in Windows Universal Plug and Play (UPnP) Device Host...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-85368
Heap-based buffer overflow in Windows TCP/IP allows an authorized attacker to el...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-70222
Relative path traversal in Windows Shell allows an authorized attacker to elevat...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-85369
Out-of-bounds read in Windows Hyper-V allows an authorized attacker to elevate p...
high 8.8 —Microsoft / windows 10 21h2 2026-10-132026-10-28
CVE-2026-70223
Use after free in Windows Console Driver allows an authorized attacker to elevat...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-85930
Use after free in Windows Image Acquisition allows an authorized attacker to ele...
high 7.0 —Microsoft / windows 10 21h2 2026-10-132026-10-28
CVE-2026-70225
Access of resource using incompatible type ('type confusion') in Windows Ancilla...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-70230
Use after free in Windows Audio Service allows an authorized attacker to elevate...
high 7.0 —Microsoft / windows 10 1809 2026-10-132026-10-28
CVE-2026-70218
Insufficient granularity of access control in Windows StateRepository API allows...
high 7.8 —Microsoft / windows 11 24h2 2026-10-132026-10-28
CVE-2026-85931
Heap-based buffer overflow in Windows Distributed File System (DFS) allows an au...
high 8.8 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-70233
Heap-based buffer overflow in Windows Common Log File System Driver allows an au...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-88110
Heap-based buffer overflow in Windows Graphics Kernel allows an authorized attac...
high 7.0 —Microsoft / windows 11 24h2 2026-10-132026-10-28
CVE-2026-88115
Out-of-bounds read in Windows Server for NFS allows an unauthorized attacker to...
high 8.8 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-88117
Use after free in Windows DHCP Server allows an unauthorized attacker to execute...
high 8.1 —Microsoft / windows server 2012 2026-10-132026-10-28
CVE-2026-88119
Use after free in Windows DHCP Server allows an unauthorized attacker to execute...
high 8.1 —Microsoft / windows server 2012 2026-10-132026-10-28
CVE-2026-70237
Use after free in Windows Ancillary Function Driver for WinSock allows an author...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-70238
Heap-based buffer overflow in Windows Storage Spaces Controller allows an author...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-70241
Use after free in Windows Kerberos allows an authorized attacker to elevate priv...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-70245
Access of resource using incompatible type ('type confusion') in Windows Ancilla...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-70247
Out-of-bounds read in Windows HTTP.sys allows an authorized attacker to execute...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-70048
Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an aut...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-70051
Access of resource using incompatible type ('type confusion') in Windows SmartSc...
high 7.8 —Microsoft / windows 10 1809 2026-10-132026-10-28
CVE-2026-70052
Integer overflow or wraparound in Windows PowerShell allows an authorized attack...
high 7.8 —Microsoft / windows 11 23h2 2026-10-132026-10-28
CVE-2026-70054
Heap-based buffer overflow in Windows NetBIOS allows an authorized attacker to e...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-70056
Use after free in Windows Update Service allows an authorized attacker to elevat...
high 7.0 —Microsoft / windows 10 1809 2026-10-132026-10-28
CVE-2026-70058
Out-of-bounds write in Windows DHCP Server allows an unauthorized attacker to ex...
high 7.5 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-70059
Heap-based buffer overflow in Windows OLE allows an authorized attacker to eleva...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-70060
Heap-based buffer overflow in Windows Win32 Kernel Subsystem allows an authorize...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-70062
Double free in Windows Libarchive allows an unauthorized attacker to execute cod...
high 8.1 —Microsoft / windows 10 1809 2026-10-132026-10-28
CVE-2026-70064
Integer underflow (wrap or wraparound) in Windows Kerberos allows an authorized...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-70066
Use after free in Windows DHCP Server allows an authorized attacker to elevate p...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-70067
Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker t...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-70068
Heap-based buffer overflow in Windows Client-Side Caching (CSC) Service allows a...
high 8.8 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-70069
Stack-based buffer overflow in Windows DHCP Server allows an authorized attacker...
high 8.8 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-70076
Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker t...
high 7.0 —Microsoft / windows 11 24h2 2026-10-132026-10-28
CVE-2026-70086
Use after free in Microsoft Windows Search Component allows an authorized attack...
high 7.0 —Microsoft / windows 10 1809 2026-10-132026-10-28
CVE-2026-70089
Heap-based buffer overflow in Windows GDI allows an unauthorized attacker to exe...
high 8.8 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-105733
Improper access control in Windows Hyper-V allows an authorized attacker to exec...
high 8.8 —Microsoft / windows 10 21h2 2026-10-132026-10-28
CVE-2026-108130
Heap-based buffer overflow in Windows Virtualization-Based Security (VBS) Enclav...
high 7.8 —Microsoft / windows 11 24h2 2026-10-132026-10-28
CVE-2026-108133
Release of invalid pointer or reference in Windows Modern Device Management (MDM...
high 7.8 —Microsoft / windows server 2022 2026-10-132026-10-28

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.