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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-2026-70252
Use after free in Virtual Hard Disk (VHD) Miniport Driver allows an authorized a...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-70229
Incorrect authorization in Active Directory Domain Services allows an unauthoriz...
high 8.1 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-70228
Out-of-bounds read in Desktop Window Manager allows an authorized attacker to el...
high 7.8 —Microsoft / windows 10 1809 2026-10-132026-10-28
CVE-2026-70207
Heap-based buffer overflow in Network Policy Server (NPS) allows an authorized a...
high 7.5 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-70250
Use after free in Windows DHCP Client allows an unauthorized attacker to execute...
high 8.8 —Microsoft / windows server 2012 2026-10-132026-10-28
CVE-2026-85364
Use after free in Windows Installer allows an authorized attacker to elevate pri...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-70123
Numeric truncation error in Microsoft Graphics Component allows an authorized at...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-85366
Heap-based buffer overflow in Windows Installer allows an authorized attacker to...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-85367
Use after free in Windows Cash Drawer Protocol Provider allows an authorized att...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-70126
Out-of-bounds read in Windows Bluetooth Port Driver allows an unauthorized attac...
high 7.1 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-70131
Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unaut...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-70274
Use after free in Windows Bind Filter Driver allows an authorized attacker to el...
high 7.8 —Microsoft / windows 11 23h2 2026-10-132026-10-28
CVE-2026-70132
Heap-based buffer overflow in Windows Portable Device File System Driver allows...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-70133
Allocation of resources without limits or throttling in Windows SMB Server allow...
high 7.5 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-70134
Use after free in Windows Event Tracing allows an authorized attacker to elevate...
high 7.0 —Microsoft / windows 10 1809 2026-10-132026-10-28
CVE-2026-70136
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-2026-70006
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-2026-70138
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-2026-70139
Heap-based buffer overflow in Windows Update Service allows an authorized attack...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-70140
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-2026-70149
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-2026-85908
Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacke...
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.