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October 2026 CVE archive

Records last modified 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. 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
21,937
Critical
3,121
High
7,064
Medium
6,901
Low
608
Severity not reported
4,243
In CISA KEV
186

Most affected vendors (by CPE data where available): microsoft (1423), linux (722), google (413), ibm (321), oracle (193), mozilla (182), adobe (165), broadcom (118), apache (115), fabian (98)

CVESeverityCVSSKEVVendor / productPublishedModified
CVE-2026-96301
Use after free in Windows USB Print Driver allows an authorized attacker to elev...
high 7.0 —Microsoft / windows 10 21h2 2026-10-132026-10-16
CVE-2026-96302
Use after free in Windows Installer allows an authorized attacker to elevate pri...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-96304
Use after free in Windows USB Print Driver allows an authorized attacker to elev...
high 7.0 —Microsoft / windows 10 21h2 2026-10-132026-10-16
CVE-2026-96305
Use after free in Windows Installer allows an authorized attacker to elevate pri...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-96245
Out-of-bounds read in Windows Routing and Remote Access Service (RRAS) allows an...
high 7.5 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-96250
Use after free in Windows USB Print Driver allows an authorized attacker to elev...
high 7.0 —Microsoft / windows 10 21h2 2026-10-132026-10-16
CVE-2026-96253
Use after free in Windows USB Print Driver allows an authorized attacker to elev...
high 7.0 —Microsoft / windows 10 21h2 2026-10-132026-10-16
CVE-2026-96186
Deserialization of untrusted data in Microsoft Windows Media Foundation allows a...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-96216
Use after free in Windows Kernel allows an authorized attacker to elevate privil...
high 7.0 —Microsoft / windows 10 1809 2026-10-132026-10-16
CVE-2026-96217
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elev...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-88114
Untrusted pointer dereference in DNS Server allows an unauthorized attacker to e...
high 8.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-88116
Untrusted pointer dereference in DNS Server allows an unauthorized attacker to e...
high 8.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-88105
Use after free in Windows Broadcast DVR User Service allows an authorized attack...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-88112
Untrusted pointer dereference in DNS Server allows an unauthorized attacker to e...
high 8.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-88096
Concurrent execution using shared resource with improper synchronization ('race...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-88098
Untrusted pointer dereference in Windows Security Support Provider Interface all...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-88103
Use after free in Windows Broadcast DVR User Service allows an authorized attack...
high 7.0 —Microsoft / windows 10 1809 2026-10-132026-10-16
CVE-2026-88091
Deserialization of untrusted data in Windows Management Instrumentation allows a...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-88093
Heap-based buffer overflow in Desktop Window Manager allows an authorized attack...
high 7.8 —Microsoft / windows 10 1809 2026-10-132026-10-16
CVE-2026-88072
Improper access control in Windows Host Guardian Service allows an authorized at...
high 7.8 —Microsoft / windows 10 1809 2026-10-132026-10-16
CVE-2026-88073
Use after free in Windows Graphics Kernel allows an authorized attacker to eleva...
high 7.8 —Microsoft / windows 10 21h2 2026-10-132026-10-16
CVE-2026-88076
Null pointer dereference in Windows Installer allows an authorized attacker to e...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-88080
Use after free in Windows Installer allows an authorized attacker to elevate pri...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-87713
Use after free in Windows Bluetooth Port Driver allows an unauthorized attacker...
high 7.5 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-87715
Use after free in Windows Installer allows an authorized attacker to elevate pri...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-87716
Heap-based buffer overflow in Windows Storage Spaces Controller allows an unauth...
high 7.5 —Microsoft / windows 10 1809 2026-10-132026-10-16
CVE-2026-88070
Out-of-bounds read in Windows BitLocker allows an authorized attacker to elevate...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-87710
Improper access control in Microsoft Local Security Authority Server (lsasrv) al...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-87711
Stack-based buffer overflow in Windows Installer allows an authorized attacker t...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-87712
Use after free in Windows Quality of Service (QoS) Packet Scheduler allows an au...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-85903
Untrusted pointer dereference in DNS Server allows an unauthorized attacker to e...
high 8.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-83889
Release of invalid pointer or reference in DNS Server allows an authorized attac...
high 8.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-83642
Access of resource using incompatible type ('type confusion') in DNS Server allo...
high 8.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-96248
Stack-based buffer overflow in Windows Host Guardian Service allows an unauthori...
high 7.5 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-96249
Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker t...
high 7.8 —Microsoft / windows 11 24h2 2026-10-132026-10-16
CVE-2026-88071
Double free in Windows Hyper-V allows an authorized attacker to elevate privileg...
high 7.8 —Microsoft / windows 11 23h2 2026-10-132026-10-16
CVE-2026-88074
Integer overflow or wraparound in Windows Virtualization-Based Security (VBS) En...
high 7.8 —Microsoft / windows 11 23h2 2026-10-132026-10-16
CVE-2026-88075
Improper neutralization of special elements used in an sql command ('sql injecti...
high 8.8 —Microsoft / configuration manager 2503 2026-10-132026-10-16
CVE-2026-88079
Null pointer dereference in Windows MIDI Service Module allows an authorized att...
high 7.0 —Microsoft / windows 11 24h2 2026-10-132026-10-16
CVE-2026-88100
Use after free in Windows Storage Spaces Controller allows an authorized attacke...
high 7.8 —Microsoft / windows 11 24h2 2026-10-132026-10-16

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.