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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-2026-97811
Double free in OpenSSH for Windows allows an authorized attacker to elevate priv...
high 7.8 —Microsoft / windows 10 1809 2026-10-132026-10-16
CVE-2026-97812
Double free in Windows Update Orchestrator Service allows an authorized attacker...
high 7.0 —Microsoft / windows 10 21h2 2026-10-132026-10-16
CVE-2026-97798
Improper neutralization of argument delimiters in a command ('argument injection...
high 7.8 —Microsoft / windows 10 21h2 2026-10-132026-10-16
CVE-2026-97804
Heap-based buffer overflow in HID class driver allows an authorized attacker to...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-97806
Use after free in Windows Broadcast DVR User Service allows an authorized attack...
high 7.8 —Microsoft / windows 10 1809 2026-10-132026-10-16
CVE-2026-97807
Use after free in Windows Broadcast DVR User Service allows an authorized attack...
high 7.8 —Microsoft / windows 10 1809 2026-10-132026-10-16
CVE-2026-97808
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-2026-97793
Missing authentication for critical function in Windows Setup and Deployment all...
high 7.0 —Microsoft / windows 10 1809 2026-10-132026-10-16
CVE-2026-96953
Null pointer dereference in Windows Universal Disk Format File System Driver (UD...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-96947
Use after free in Windows Universal Disk Format File System Driver (UDFS) allows...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-96949
Use after free in Windows Universal Disk Format File System Driver (UDFS) allows...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-96950
Use after free in Windows Universal Disk Format File System Driver (UDFS) allows...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-96952
Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unaut...
high 8.8 —Microsoft / windows 10 1809 2026-10-132026-10-16
CVE-2026-96937
Use after free in Microsoft Windows Search Component allows an authorized attack...
high 7.0 —Microsoft / windows 10 21h2 2026-10-132026-10-16
CVE-2026-96946
Use after free in Windows Universal Disk Format File System Driver (UDFS) allows...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-96243
Improper link resolution before file access ('link following') in Windows Wallet...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-96071
Heap-based buffer overflow in Windows Media allows an unauthorized attacker to e...
high 7.5 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-96118
Out-of-bounds read in Windows Graphics Kernel allows an authorized attacker to e...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-96209
Out-of-bounds read in Windows Network File System allows an authorized attacker...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-96244
Use after free in Windows Internal System User Profile allows an authorized atta...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-96220
Improper control of generation of code ('code injection') in Windows Assigned Ac...
high 7.8 —Microsoft / windows 10 1809 2026-10-132026-10-16
CVE-2026-96223
Use after free in Windows Hyper-V allows an authorized attacker to elevate privi...
high 7.8 —Microsoft / windows 11 24h2 2026-10-132026-10-16
CVE-2026-96931
Untrusted pointer dereference in Windows NTFS allows an authorized attacker to e...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-96932
Concurrent execution using shared resource with improper synchronization ('race...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-96933
Untrusted pointer dereference in Windows COM+ Event System Service allows an aut...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-96323
Use after free in Windows Update allows an authorized attacker to elevate privil...
high 7.0 —Microsoft / windows 10 21h2 2026-10-132026-10-16
CVE-2026-96324
Use after free in Microsoft Windows Search Component allows an authorized attack...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-96325
Missing reference to active allocated resource in Windows SMB Server allows an u...
high 7.5 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-96317
Use after free in Windows Kernel allows an authorized attacker to elevate privil...
high 7.8 —Microsoft / windows 10 1809 2026-10-132026-10-16
CVE-2026-96318
Heap-based buffer overflow in Windows Resume allows an authorized attacker to el...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-96319
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-2026-96322
Use after free in Windows Remote Desktop Protocol allows an authorized attacker...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-96312
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to el...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-96313
Missing authentication for critical function in Windows Push Notifications allow...
high 7.0 —Microsoft / windows 10 1809 2026-10-132026-10-16
CVE-2026-96306
Out-of-bounds read in Windows Sysmain Service allows an authorized attacker to e...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-96307
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-2026-96308
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-2026-96309
Use after free in Windows Subsystem for Linux allows an authorized attacker to e...
high 7.8 —Microsoft / windows 10 21h2 2026-10-132026-10-16
CVE-2026-96310
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-2026-96254
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

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.