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October 2026 CVE archive

Records published 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.

Published in October 2026Materially updated (Critical / KEV)
Total records
16,216
Critical
1,207
High
5,399
Medium
5,736
Low
602
Severity not reported
3,272
In CISA KEV
17

Most affected vendors (by CPE data where available): microsoft (1078), google (711), ibm (140), oracle (117), adobe (110), broadcom (61), apache (45), freerdp (42), linuxfoundation (41), dell (40)

CVESeverityCVSSKEVVendor / productPublishedModified
CVE-2026-70281
Out-of-bounds read in Microsoft Office Outlook allows an unauthorized attacker t...
high 7.5 —Microsoft / 365 apps 2026-10-132026-10-15
CVE-2026-70282
Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized at...
high 8.8 —Microsoft / 365 apps 2026-10-132026-10-15
CVE-2026-70272
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-2026-70273
Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker t...
high 7.0 —Microsoft / windows 11 24h2 2026-10-132026-10-22
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-2026-70276
Use after free in Microsoft Office Click-To-Run allows an authorized attacker to...
high 7.0 —Microsoft / 365 apps 2026-10-132026-10-15
CVE-2026-70266
Improper neutralization of special elements used in an sql command ('sql injecti...
high 8.8 —Microsoft / sharepoint server 2026-10-132026-10-14
CVE-2026-70267
Inclusion of functionality from untrusted control sphere in Microsoft Office Sha...
high 7.2 —Microsoft / sharepoint server 2026-10-132026-10-14
CVE-2026-70268
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attac...
high 8.8 —Microsoft / 365 apps 2026-10-132026-10-15
CVE-2026-70269
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attac...
high 8.1 —Microsoft / 365 apps 2026-10-132026-10-15
CVE-2026-70271
Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker t...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-22
CVE-2026-70256
Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized at...
high 8.8 —Microsoft / 365 apps 2026-10-132026-10-15
CVE-2026-70257
Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized at...
high 8.8 —Microsoft / 365 apps 2026-10-132026-10-15
CVE-2026-70258
Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unaut...
high 8.8 —Microsoft / windows 10 1607 2026-10-132026-10-28
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-2026-70253
Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker t...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-22
CVE-2026-70254
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to...
high 8.8 —Microsoft / 365 apps 2026-10-132026-10-15
CVE-2026-70249
Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker t...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-22
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-2026-70251
Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an auth...
high 7.5 —Microsoft / sharepoint server 2026-10-132026-10-14
CVE-2026-70243
Use after free in Windows Kernel allows an authorized attacker to elevate privil...
high 7.0 —Microsoft / windows 11 23h2 2026-10-132026-10-22
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-2026-70246
Incorrect authorization in Microsoft Office SharePoint allows an authorized atta...
high 8.8 —Microsoft / sharepoint server 2026-10-132026-10-14
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-2026-70236
Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker t...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-22
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-2026-70228
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-2026-70229
Incorrect authorization in Active Directory Domain Services allows an unauthoriz...
high 8.1 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-70230
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-2026-70233
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-2026-70223
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-2026-70225
Access of resource using incompatible type ('type confusion') in Windows Ancilla...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-70222
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-2026-70215
Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to...
high 8.8 —Microsoft / 365 apps 2026-10-132026-10-15
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-2026-70220
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attac...
high 7.8 —Microsoft / 365 apps 2026-10-132026-10-15
CVE-2026-70209
Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker t...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-22
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

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.