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 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
21,932
Critical
3,121
High
7,064
Medium
6,897
Low
608
Severity not reported
4,242
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-2026-70023
Use after free in Windows Hyper-V allows an authorized attacker to elevate privi...
high 7.8 —Microsoft / windows 10 1809 2026-10-132026-10-16
CVE-2026-70045
Use after free in Windows Work Folders allows an authorized attacker to elevate...
high 7.0 —Microsoft / windows 10 1809 2026-10-132026-10-16
CVE-2026-70038
Use after free in Windows iSCSI allows an unauthorized attacker to execute code...
high 8.1 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-70031
Heap-based buffer overflow in Windows iSCSI allows an unauthorized attacker to d...
high 7.5 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-70027
Heap-based buffer overflow in Windows Subsystem for Linux allows an authorized a...
high 7.8 —Microsoft / windows 10 21h2 2026-10-132026-10-16
CVE-2026-70026
Use after free in Windows Secure Kernel Mode allows an authorized attacker to el...
high 7.0 —Microsoft / windows 10 1809 2026-10-132026-10-16
CVE-2026-70015
Use after free in Windows Local Security Authority Subsystem Service (LSASS) all...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-70014
Use after free in Windows Cryptographic Services allows an authorized attacker t...
high 7.5 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-69959
Out-of-bounds read in Windows Overlay Filter allows an authorized attacker to ex...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-85371
Use after free in Network Policy Server (NPS) allows an unauthorized attacker to...
high 8.1 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-69957
Integer overflow or wraparound in Windows Overlay Filter allows an authorized at...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-85365
Heap-based buffer overflow in Servicing Stack Updates allows an authorized attac...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-69952
Out-of-bounds read in Windows Overlay Filter allows an authorized attacker to el...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-69953
Buffer over-read in Windows Overlay Filter allows an authorized attacker to elev...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-96919
Use after free in Windows Broadcast DVR User Service allows an authorized attack...
high 7.0 —Microsoft / windows 10 1809 2026-10-132026-10-16
CVE-2026-96918
Improper access control in Windows NTFS allows an authorized attacker to elevate...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-96917
Heap-based buffer overflow in Windows PCI Bus Driver allows an authorized attack...
high 8.8 —Microsoft / windows 10 1809 2026-10-132026-10-16
CVE-2026-69950
Buffer over-read in Windows Overlay Filter allows an authorized attacker to elev...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-69949
Heap-based buffer overflow in Windows Client for NFS allows an authorized attack...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-69945
Missing authorization in Windows AppX Deployment Extensions allows an authorized...
high 8.8 —Microsoft / windows 10 21h2 2026-10-132026-10-16
CVE-2026-96916
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elev...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-85372
Use after free in Windows Kernel allows an authorized attacker to elevate privil...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-85373
Heap-based buffer overflow in Windows Universal Plug and Play (UPnP) Device Host...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-85375
Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an a...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-85376
Weak authentication in Windows Print Spooler Components allows an authorized att...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-85377
Access of resource using incompatible type ('type confusion') in Windows CD-ROM...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-85791
Heap-based buffer overflow in Windows Encrypting File System (EFS) allows an aut...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-69935
Use after free in Windows Storage allows an authorized attacker to elevate privi...
high 7.0 —Microsoft / windows 10 1809 2026-10-132026-10-16
CVE-2026-69931
Concurrent execution using shared resource with improper synchronization ('race...
high 7.0 —Microsoft / windows 10 1809 2026-10-132026-10-16
CVE-2026-69926
Access of resource using incompatible type ('type confusion') in Desktop Window...
high 7.8 —Microsoft / windows 10 1809 2026-10-132026-10-16
CVE-2026-85334
Out-of-bounds read in Windows Message Queuing Queue Manager allows an unauthoriz...
high 7.5 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-85333
Concurrent execution using shared resource with improper synchronization ('race...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-69918
Heap-based buffer overflow in Windows Core Messaging allows an authorized attack...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-69916
Integer overflow or wraparound in Windows NTFS allows an authorized attacker to...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-69915
Use after free in Windows NTFS allows an authorized attacker to elevate privileg...
high 7.0 —Microsoft / windows 10 1809 2026-10-132026-10-16
CVE-2026-85795
Use after free in Windows Text Services Framework allows an authorized attacker...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-69913
Use after free in Windows TCP/IP allows an unauthorized attacker to execute code...
high 8.1 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-85796
Numeric truncation error in Windows Installer allows an authorized attacker to e...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-85797
Out-of-bounds read in Windows GDI allows an unauthorized attacker to disclose in...
high 7.5 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-85332
Use after free in Windows Device Association Service allows an authorized attack...
high 7.8 —Microsoft / windows 10 1809 2026-10-132026-10-16

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.