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
24,597
Critical
3,298
High
7,978
Medium
7,646
Low
740
Severity not reported
4,935
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-2026-70149
Exposure of sensitive information to an unauthorized actor in Windows Client Sid...
high 8.8 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-70150
Use after free in Microsoft Windows Search Component allows an authorized attack...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-70151
Use after free in Windows Direct Composition allows an authorized attacker to el...
high 7.8 —Microsoft / windows 10 21h2 2026-10-132026-10-28
CVE-2026-70156
Use after free in Microsoft Windows Search Component allows an authorized attack...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-70158
Remote Code Execution in Windows Routing and Remote Access Service (RRAS) allows...
high 8.8 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-70115
Use after free in Microsoft Windows Search Component allows an authorized attack...
high 7.0 —Microsoft / windows 11 24h2 2026-10-132026-10-28
CVE-2026-70118
Use after free in Windows Audio Service allows an authorized attacker to elevate...
high 7.0 —Microsoft / windows 11 24h2 2026-10-132026-10-28
CVE-2026-70210
Heap-based buffer overflow in Windows OLE DB allows an unauthorized attacker to...
high 8.8 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-70212
Improper restriction of communication channel to intended endpoints in Windows S...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-96866
Out-of-bounds read in Network Device Enrollment Service (NDES) allows an unautho...
high 7.5 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-96862
Out-of-bounds read in Windows Spaceport.sys allows an authorized attacker to ele...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-96861
Out-of-bounds read in Network Device Enrollment Service (NDES) allows an unautho...
high 7.5 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-88141
Use after free in Windows Kernel allows an authorized attacker to elevate privil...
high 7.0 —Microsoft / windows 11 23h2 2026-10-132026-10-28
CVE-2026-88139
Use after free in Windows Kernel allows an authorized attacker to elevate privil...
high 7.0 —Microsoft / windows 11 24h2 2026-10-132026-10-28
CVE-2026-69988
Use after free in Remote Desktop Client allows an unauthorized attacker to execu...
high 7.5 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-88127
Use after free in Windows SMB Server allows an authorized attacker to elevate pr...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-88120
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-2026-85905
Heap-based buffer overflow in Windows UI Immersive Server allows an authorized a...
high 8.8 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-85906
Use after free in Windows Direct Composition allows an authorized attacker to el...
high 7.8 —Microsoft / windows 10 21h2 2026-10-132026-10-28
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

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.