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
21,937
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)
| CVE | Severity | CVSS | KEV | Vendor / product | Published | Modified |
|---|---|---|---|---|---|---|
| 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 |
| CVE-2026-70086 Use after free in Microsoft Windows Search Component allows an authorized attack... |
high | 7.0 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70089 Heap-based buffer overflow in Windows GDI allows an unauthorized attacker to exe... |
high | 8.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-105733 Improper access control in Windows Hyper-V allows an authorized attacker to exec... |
high | 8.8 | — | Microsoft / windows 10 21h2 | 2026-10-13 | 2026-10-28 |
| CVE-2026-108130 Heap-based buffer overflow in Windows Virtualization-Based Security (VBS) Enclav... |
high | 7.8 | — | Microsoft / windows 11 24h2 | 2026-10-13 | 2026-10-28 |
| CVE-2026-108133 Release of invalid pointer or reference in Windows Modern Device Management (MDM... |
high | 7.8 | — | Microsoft / windows server 2022 | 2026-10-13 | 2026-10-28 |
| CVE-2026-108134 Use after free in Windows Autopilot allows an authorized attacker to elevate pri... |
high | 7.0 | — | Microsoft / windows 11 24h2 | 2026-10-13 | 2026-10-28 |
| CVE-2026-108399 Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to e... |
high | 7.2 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-69650 Improper verification of cryptographic signature in Windows Key Distribution Cen... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-69743 Use after free in Windows Program Compatibility Assistant Service allows an auth... |
high | 7.0 | — | Microsoft / windows 11 23h2 | 2026-10-13 | 2026-10-28 |
| CVE-2026-69763 Use after free in Windows Storage allows an authorized attacker to elevate privi... |
high | 7.0 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70142 Untrusted search path in Windows Update Service allows an authorized attacker to... |
high | 7.8 | — | Microsoft / windows 11 23h2 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70143 Heap-based buffer overflow in Windows Network File System allows an authorized a... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70163 Allocation of resources without limits or throttling in OpenSSH for Windows allo... |
high | 7.5 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70164 Use after free in Windows TCP/IP allows an authorized attacker to elevate privil... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70168 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-2026-70169 Concurrent execution using shared resource with improper synchronization ('race... |
high | 7.0 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70172 Untrusted pointer dereference in Windows NTFS allows an authorized attacker to e... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70177 Numeric truncation error in Microsoft Windows Search Component allows an authori... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70184 Improper resolution of path equivalence in Windows Backup Engine allows an autho... |
high | 7.8 | — | Microsoft / windows 10 21h2 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70185 Protection mechanism failure in Windows PowerShell allows an authorized attacker... |
high | 8.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70205 Access of resource using incompatible type ('type confusion') in Windows Ancilla... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-83795 Heap-based buffer overflow in Windows IKE Extension allows an unauthorized attac... |
high | 7.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-27 |
| CVE-2026-83796 Use after free in Windows Kernel allows an authorized attacker to elevate privil... |
high | 7.8 | — | Microsoft / windows 11 23h2 | 2026-10-13 | 2026-10-27 |
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.