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.
Total records
21,928
Critical
3,121
High
7,064
Medium
6,896
Low
608
Severity not reported
4,239
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)
| CVE | Severity | CVSS | KEV | Vendor / product | Published | Modified |
|---|---|---|---|---|---|---|
| CVE-2026-69988 Use after free in Remote Desktop Client allows an unauthorized attacker to execu... |
high | 7.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-88127 Use after free in Windows SMB Server allows an authorized attacker to elevate pr... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-88120 Use after free in Windows DHCP Server allows an unauthorized attacker to execute... |
high | 8.1 | — | Microsoft / windows server 2012 | 2026-10-13 | 2026-10-28 |
| CVE-2026-85905 Heap-based buffer overflow in Windows UI Immersive Server allows an authorized a... |
high | 8.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-85906 Use after free in Windows Direct Composition allows an authorized attacker to el... |
high | 7.8 | — | Microsoft / windows 10 21h2 | 2026-10-13 | 2026-10-28 |
| CVE-2026-85927 Heap-based buffer overflow in Windows Universal Plug and Play (UPnP) Device Host... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-85368 Heap-based buffer overflow in Windows TCP/IP allows an authorized attacker to el... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70222 Relative path traversal in Windows Shell allows an authorized attacker to elevat... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-85369 Out-of-bounds read in Windows Hyper-V allows an authorized attacker to elevate p... |
high | 8.8 | — | Microsoft / windows 10 21h2 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70223 Use after free in Windows Console Driver allows an authorized attacker to elevat... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-85930 Use after free in Windows Image Acquisition allows an authorized attacker to ele... |
high | 7.0 | — | Microsoft / windows 10 21h2 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70225 Access of resource using incompatible type ('type confusion') in Windows Ancilla... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70230 Use after free in Windows Audio Service allows an authorized attacker to elevate... |
high | 7.0 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70218 Insufficient granularity of access control in Windows StateRepository API allows... |
high | 7.8 | — | Microsoft / windows 11 24h2 | 2026-10-13 | 2026-10-28 |
| CVE-2026-85931 Heap-based buffer overflow in Windows Distributed File System (DFS) allows an au... |
high | 8.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70233 Heap-based buffer overflow in Windows Common Log File System Driver allows an au... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-88110 Heap-based buffer overflow in Windows Graphics Kernel allows an authorized attac... |
high | 7.0 | — | Microsoft / windows 11 24h2 | 2026-10-13 | 2026-10-28 |
| CVE-2026-88115 Out-of-bounds read in Windows Server for NFS allows an unauthorized attacker to... |
high | 8.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-88117 Use after free in Windows DHCP Server allows an unauthorized attacker to execute... |
high | 8.1 | — | Microsoft / windows server 2012 | 2026-10-13 | 2026-10-28 |
| CVE-2026-88119 Use after free in Windows DHCP Server allows an unauthorized attacker to execute... |
high | 8.1 | — | Microsoft / windows server 2012 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70237 Use after free in Windows Ancillary Function Driver for WinSock allows an author... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70238 Heap-based buffer overflow in Windows Storage Spaces Controller allows an author... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70241 Use after free in Windows Kerberos allows an authorized attacker to elevate priv... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70245 Access of resource using incompatible type ('type confusion') in Windows Ancilla... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70247 Out-of-bounds read in Windows HTTP.sys allows an authorized attacker to execute... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70048 Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an aut... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70051 Access of resource using incompatible type ('type confusion') in Windows SmartSc... |
high | 7.8 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70052 Integer overflow or wraparound in Windows PowerShell allows an authorized attack... |
high | 7.8 | — | Microsoft / windows 11 23h2 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70054 Heap-based buffer overflow in Windows NetBIOS allows an authorized attacker to e... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70056 Use after free in Windows Update Service allows an authorized attacker to elevat... |
high | 7.0 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70058 Out-of-bounds write in Windows DHCP Server allows an unauthorized attacker to ex... |
high | 7.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70059 Heap-based buffer overflow in Windows OLE allows an authorized attacker to eleva... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70060 Heap-based buffer overflow in Windows Win32 Kernel Subsystem allows an authorize... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70062 Double free in Windows Libarchive allows an unauthorized attacker to execute cod... |
high | 8.1 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70064 Integer underflow (wrap or wraparound) in Windows Kerberos allows an authorized... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70066 Use after free in Windows DHCP Server allows an authorized attacker to elevate p... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70067 Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker t... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70068 Heap-based buffer overflow in Windows Client-Side Caching (CSC) Service allows a... |
high | 8.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70069 Stack-based buffer overflow in Windows DHCP Server allows an authorized attacker... |
high | 8.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70076 Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker t... |
high | 7.0 | — | Microsoft / windows 11 24h2 | 2026-10-13 | 2026-10-28 |
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.