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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
16,212
Critical
1,207
High
5,399
Medium
5,736
Low
600
Severity not reported
3,270
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-2026-103568
Concurrent execution using shared resource with improper synchronization ('race...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-26
CVE-2026-102866
Improper verification of cryptographic signature in Microsoft Office SharePoint...
high 8.1 —Microsoft / sharepoint server 2026-10-132026-10-14
CVE-2026-103553
Out-of-bounds read in Windows Partition Management Driver allows an authorized a...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-26
CVE-2026-103554
Use after free in Windows Broadcast DVR User Service allows an authorized attack...
high 7.0 —Microsoft / windows 10 1809 2026-10-132026-10-26
CVE-2026-102857
Heap-based buffer overflow in Microsoft Office Visio allows an unauthorized atta...
high 8.8 —Microsoft / 365 apps 2026-10-132026-10-15
CVE-2026-102858
Heap-based buffer overflow in Microsoft Office OneNote allows an unauthorized at...
high 8.8 —Microsoft / microsoft 365 2026-10-132026-10-15
CVE-2026-102860
Improper access control in Microsoft Office SharePoint allows an authorized atta...
high 8.8 —Microsoft / sharepoint server 2026-10-132026-10-14
CVE-2026-102861
Missing authorization in Microsoft Office SharePoint allows an authorized attack...
high 8.8 —Microsoft / sharepoint server 2026-10-132026-10-14
CVE-2026-102862
Incorrect authorization in Microsoft Office SharePoint allows an authorized atta...
high 8.8 —Microsoft / sharepoint server 2026-10-132026-10-14
CVE-2026-102863
Improper control of generation of code ('code injection') in Microsoft Office Sh...
high 8.8 —Microsoft / sharepoint server 2026-10-132026-10-14
CVE-2026-102849
Heap-based buffer overflow in Microsoft Office Access allows an unauthorized att...
high 8.8 —Microsoft / 365 apps 2026-10-132026-10-15
CVE-2026-102850
Heap-based buffer overflow in Microsoft Office Access allows an unauthorized att...
high 8.8 —Microsoft / 365 apps 2026-10-132026-10-15
CVE-2026-102856
Heap-based buffer overflow in Microsoft Office Visio allows an unauthorized atta...
high 8.8 —Microsoft / 365 apps 2026-10-132026-10-15
CVE-2026-102225
Out-of-bounds read in Windows Text Shaping allows an unauthorized attacker to ex...
high 8.8 —Microsoft / windows 10 1607 2026-10-132026-10-26
CVE-2026-102227
Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an aut...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-26
CVE-2026-102231
Improper resolution of path equivalence in Visual Studio Code allows an unauthor...
high 7.7 —Microsoft / visual studio code 2026-10-132026-10-27
CVE-2026-102215
Heap-based buffer overflow in Windows Universal Disk Format File System Driver (...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-21
CVE-2026-102216
Access of resource using incompatible type ('type confusion') in Windows StateRe...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-21
CVE-2026-102217
Improper resolution of path equivalence in WebDAV allows an authorized attacker...
high 8.8 —Microsoft / windows 10 1607 2026-10-132026-10-21
CVE-2026-102218
Heap-based buffer overflow in Windows Universal Disk Format File System Driver (...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-26
CVE-2026-102220
Use after free in Windows VHD miniport driver allows an authorized attacker to e...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-26
CVE-2026-102207
Concurrent execution using shared resource with improper synchronization ('race...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-20
CVE-2026-102208
Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker t...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-20
CVE-2026-102209
Heap-based buffer overflow in Microsoft Graphics Component allows an authorized...
high 7.0 —Microsoft / windows 11 26h1 2026-10-132026-10-20
CVE-2026-102211
Use after free in Windows Virtualization-Based Security (VBS) Enclave allows an...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-20
CVE-2026-102214
Use after free in Windows Hyper-V allows an authorized attacker to execute code...
high 8.8 —Microsoft / windows 10 1607 2026-10-132026-10-21
CVE-2026-102201
Use after free in Microsoft Windows Media Foundation allows an authorized attack...
high 7.8 —Microsoft / windows 10 1809 2026-10-132026-10-20
CVE-2026-102202
Improper access control in Windows Container Isolation FS Filter Driver (unionfs...
high 7.8 —Microsoft / windows 11 23h2 2026-10-132026-10-20
CVE-2026-102203
Access of resource using incompatible type ('type confusion') in RPC Runtime all...
high 8.8 —Microsoft / windows 10 1607 2026-10-132026-10-20
CVE-2026-102205
Heap-based buffer overflow in Windows Universal Disk Format File System Driver (...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-20
CVE-2026-102194
Use after free in Windows Graphics Kernel allows an authorized attacker to eleva...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-20
CVE-2026-102195
Use after free in Windows Broadcast DVR User Service allows an authorized attack...
high 7.0 —Microsoft / windows 11 23h2 2026-10-132026-10-20
CVE-2026-102196
Use after free in Windows Broadcast DVR User Service allows an authorized attack...
high 7.8 —Microsoft / windows 10 1809 2026-10-132026-10-20
CVE-2026-102197
Use after free in Windows Broadcast DVR User Service allows an authorized attack...
high 7.0 —Microsoft / windows 10 1809 2026-10-132026-10-20
CVE-2026-102189
Heap-based buffer overflow in Windows Storage allows an authorized attacker to e...
high 7.0 —Microsoft / windows 11 23h2 2026-10-132026-10-20
CVE-2026-102191
Heap-based buffer overflow in Windows Storage allows an authorized attacker to e...
high 7.0 —Microsoft / windows 11 23h2 2026-10-132026-10-20
CVE-2026-102192
Integer underflow (wrap or wraparound) in Windows Failover Cluster allows an una...
high 7.5 —Microsoft / windows server 2019 2026-10-132026-10-20
CVE-2026-102193
Use after free in Windows Broadcast DVR User Service allows an authorized attack...
high 7.0 —Microsoft / windows 10 1809 2026-10-132026-10-20
CVE-2026-100220
Heap-based buffer overflow in Windows Media Video Decoder allows an unauthorized...
high 8.8 —Microsoft / windows 10 1607 2026-10-132026-10-20
CVE-2026-100225
Heap-based buffer overflow in Windows Storage allows an authorized attacker to e...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-20

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.