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October 2026 CVE archive

Records published 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.

Published in October 2026Materially updated (Critical / KEV)
Total records
17,481
Critical
1,390
High
6,087
Medium
6,446
Low
659
Severity not reported
2,899
In CISA KEV
21

Most affected vendors (by CPE data where available): microsoft (1359), google (759), oracle (376), apple (282), ibm (149), adobe (138), apache (73), imagemagick (72), broadcom (61), freerdp (60)

CVESeverityCVSSKEVVendor / productPublishedModified
CVE-2026-69964
Use after free in Microsoft Streaming Service allows an authorized attacker to e...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-11-02
CVE-2026-69966
Integer overflow or wraparound in Microsoft Streaming Service allows an authoriz...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-29
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-2026-69952
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-2026-69935
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-2026-69942
Buffer over-read in Windows Overlay Filter allows an authorized attacker to exec...
high 7.8 —Microsoft / windows 11 23h2 2026-10-132026-10-16
CVE-2026-69943
Improper limitation of a pathname to a restricted directory ('path traversal') i...
high 8.8 —Microsoft / sharepoint server 2026-10-132026-10-20
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-2026-69949
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-2026-69918
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-2026-69923
Uncontrolled search path element in Windows AI allows an authorized attacker to...
high 7.8 —Microsoft / windows 11 24h2 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-2026-69931
Concurrent execution using shared resource with improper synchronization ('race...
high 7.0 —Microsoft / windows 10 1809 2026-10-132026-10-16
CVE-2026-69934
Integer overflow or wraparound in Windows Spaceport.sys allows an authorized att...
high 7.8 —Microsoft / windows 11 23h2 2026-10-132026-10-16
CVE-2026-69909
Heap-based buffer overflow in Microsoft COM for Windows allows an authorized att...
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-2026-69915
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-2026-69916
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-2026-69882
Untrusted search path in Windows Update allows an authorized attacker to elevate...
high 7.8 —Microsoft / windows 11 23h2 2026-10-132026-10-19
CVE-2026-69884
Buffer over-read in Windows GDI allows an authorized attacker to elevate privile...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-26
CVE-2026-69898
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to el...
high 7.8 —Microsoft / windows 10 1809 2026-10-132026-10-16
CVE-2026-69840
Use after free in Windows Certificates allows an authorized attacker to elevate...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-26
CVE-2026-69850
Untrusted pointer dereference in Windows Certificates allows an authorized attac...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-26
CVE-2026-69856
Use after free in Windows Storage allows an authorized attacker to elevate privi...
high 7.0 —Microsoft / windows 10 1809 2026-10-132026-10-26
CVE-2026-69867
Out-of-bounds read in SQLite allows an authorized attacker to elevate privileges...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-11-02
CVE-2026-69880
Access of resource using incompatible type ('type confusion') in Desktop Window...
high 7.8 —Microsoft / windows 10 1809 2026-10-132026-10-19
CVE-2026-69766
Use after free in Windows Storage allows an authorized attacker to elevate privi...
high 7.0 —Microsoft / windows 10 1809 2026-10-132026-10-26
CVE-2026-69783
External control of file name or path in Windows Update allows an authorized att...
high 7.8 —Microsoft / windows 11 23h2 2026-10-132026-10-26
CVE-2026-69789
Heap-based buffer overflow in Reliable Multicast Transport Driver (RMCAST) allow...
high 7.5 —Microsoft / windows 10 1607 2026-10-132026-10-27
CVE-2026-69795
Null pointer dereference in Windows Clipboard Server allows an authorized attack...
high 7.0 —Microsoft / windows 10 1809 2026-10-132026-10-26
CVE-2026-69798
Use after free in Windows Wired AutoConfig Service allows an authorized attacker...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-26
CVE-2026-69802
Weak authentication in Network Device Enrollment Service (NDES) allows an unauth...
high 8.1 —Microsoft / windows server 2012 2026-10-132026-10-27
CVE-2026-69830
Concurrent execution using shared resource with improper synchronization ('race...
high 8.1 —Microsoft / windows 10 1607 2026-10-132026-10-26
CVE-2026-69733
Untrusted search path in Windows Update allows an authorized attacker to elevate...
high 7.8 —Microsoft / windows 11 23h2 2026-10-132026-10-23
CVE-2026-69736
Concurrent execution using shared resource with improper synchronization ('race...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-11-02
CVE-2026-69743
Use after free in Windows Program Compatibility Assistant Service allows an auth...
high 7.0 —Microsoft / windows 11 23h2 2026-10-132026-10-28
CVE-2026-69763
Use after free in Windows Storage allows an authorized attacker to elevate privi...
high 7.0 —Microsoft / windows 10 1809 2026-10-132026-10-28
CVE-2026-69765
Use after free in Windows Storport Miniport Driver allows an unauthorized attack...
high 8.8 —Microsoft / windows server 2025 2026-10-132026-10-26
CVE-2026-69650
Improper verification of cryptographic signature in Windows Key Distribution Cen...
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.