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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-2026-69882
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-2026-69880
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-2026-69743
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
CVE-2026-69673
Improper link resolution before file access ('link following') in Windows Update...
high 7.8 —Microsoft / windows 11 23h2 2026-10-132026-10-23
CVE-2026-69718
Improper neutralization of special elements used in a command ('command injectio...
high 7.8 —Microsoft / windows 11 23h2 2026-10-132026-10-23
CVE-2026-69596
Use after free in Windows Program Compatibility Assistant Service allows an auth...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-26
CVE-2026-69633
Heap-based buffer overflow in Windows Update allows an authorized attacker to el...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-26
CVE-2026-69452
Use after free in Windows Enterprise App Management allows an authorized attacke...
high 7.1 —Microsoft / windows 10 1607 2026-10-132026-10-23
CVE-2026-69471
Heap-based buffer overflow in Windows Installer allows an authorized attacker to...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-23
CVE-2026-69521
Integer overflow or wraparound in Windows iSCSI allows an unauthorized attacker...
high 8.8 —Microsoft / windows 10 1607 2026-10-132026-10-23
CVE-2026-69577
Out-of-bounds read in Microsoft Azure Attestation service and Device Health Atte...
high 7.5 —Microsoft / windows server 2019 2026-10-132026-10-27
CVE-2026-69326
Heap-based buffer overflow in Graphic Fonts allows an unauthorized attacker to e...
high 8.8 —Microsoft / windows 10 1607 2026-10-132026-10-23
CVE-2026-69354
Heap-based buffer overflow in Windows Error Reporting allows an authorized attac...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-23
CVE-2026-69363
Heap-based buffer overflow in Windows Error Reporting allows an authorized attac...
high 8.0 —Microsoft / windows 10 1607 2026-10-132026-10-23
CVE-2026-69387
Use after free in Windows Error Reporting allows an authorized attacker to eleva...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-23
CVE-2026-61931
Use after free in Windows Perception Simulation Service allows an authorized att...
high 7.8 —Microsoft / windows 10 1809 2026-10-132026-10-26
CVE-2026-68836
Heap-based buffer overflow in Windows kernel32.dll allows an authorized attacker...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-23
CVE-2026-49785
Improper resource shutdown or release in Windows UEFI allows an authorized attac...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-26
CVE-2026-109453
Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-27
CVE-2026-108468
Use after free in Windows Installer allows an authorized attacker to elevate pri...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-26
CVE-2026-108471
Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enc...
high 8.8 —Microsoft / windows 10 1809 2026-10-132026-10-26
CVE-2026-108463
Improper resolution of path equivalence in Windows SmartScreen allows an unautho...
high 8.8 —Microsoft / windows 11 24h2 2026-10-132026-10-26
CVE-2026-108464
Use after free in Software Protection Platform (SPP) allows an authorized attack...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-27
CVE-2026-108465
Use after free in Windows Update Delivery Optimization allows an authorized atta...
high 7.0 —Microsoft / windows 10 1809 2026-10-132026-10-26

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.