October 2026 CVE archive
Records last modified 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. 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
22,209
Critical
3,102
High
7,090
Medium
6,615
Low
674
Severity not reported
4,728
In CISA KEV
188
Most affected vendors (by CPE data where available): microsoft (1176), google (780), ibm (323), mozilla (182), oracle (154), adobe (137), linux (126), apache (116), broadcom (113), fabian (98)
| CVE | Severity | CVSS | KEV | Vendor / product | Published | Modified |
|---|---|---|---|---|---|---|
| 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 |
| CVE-2026-83797 Out-of-bounds read in Windows Partition Management Driver allows an unauthorized... |
high | 8.8 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-27 |
| CVE-2026-83826 Untrusted pointer dereference in Windows Error Reporting allows an authorized at... |
high | 7.8 | — | Microsoft / windows 11 23h2 | 2026-10-13 | 2026-10-27 |
| CVE-2026-83827 Heap-based buffer overflow in Windows Bluetooth Port Driver allows an authorized... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-27 |
| CVE-2026-83828 Heap-based buffer overflow in Windows MIDI Service Module allows an authorized a... |
high | 7.8 | — | Microsoft / windows 11 24h2 | 2026-10-13 | 2026-10-27 |
| CVE-2026-83829 Heap-based buffer overflow in Microsoft Windows Search Component allows an autho... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-27 |
| CVE-2026-83830 Heap-based buffer overflow in Windows COM+ Event System Service allows an author... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-27 |
| CVE-2026-83832 Out-of-bounds read in Windows Spaceport.sys allows an authorized attacker to ele... |
high | 7.8 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-27 |
| CVE-2026-83833 Heap-based buffer overflow in Windows Kernel allows an authorized attacker to el... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-27 |
| CVE-2026-83834 Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to e... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-27 |
| CVE-2026-83836 Heap-based buffer overflow in Windows Event Tracing allows an unauthorized attac... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-27 |
| CVE-2026-83837 Improper access control in Windows Kernel-Mode Drivers allows an authorized atta... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-27 |
| CVE-2026-83838 Integer underflow (wrap or wraparound) in Windows Bluetooth A2DP driver allows a... |
high | 8.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-27 |
| CVE-2026-83839 Time-of-check time-of-use (toctou) race condition in Windows Hyper-V allows an a... |
high | 7.0 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-27 |
| CVE-2026-83840 Weak authentication in Windows Error Reporting allows an authorized attacker to... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-27 |
| CVE-2026-83841 Concurrent execution using shared resource with improper synchronization ('race... |
high | 7.0 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-27 |
| CVE-2026-105007 An elevation of privilege vulnerability exists in the Network Driver Interface S... |
high | 8.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-27 |
| CVE-2026-103555 Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-27 |
| CVE-2026-103575 Use after free in Remote Desktop Client allows an unauthorized attacker to execu... |
high | 8.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-27 |
| CVE-2026-103577 Insecure default variable initialization in Microsoft QUIC allows an unauthorize... |
high | 7.5 | — | Microsoft / windows 11 23h2 | 2026-10-13 | 2026-10-27 |
| CVE-2026-105003 Heap-based buffer overflow in HID class driver allows an authorized attacker to... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-27 |
| CVE-2026-87694 Use after free in Windows Installer allows an authorized attacker to elevate pri... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-27 |
| CVE-2026-87695 Inclusion of functionality from untrusted control sphere in Microsoft Exchange S... |
high | 7.8 | — | Microsoft / exchange server | 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.
