October 2026 CVE archive
Records published 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.
Total records
17,462
Critical
1,337
High
5,864
Medium
6,249
Low
648
Severity not reported
3,364
In CISA KEV
20
Most affected vendors (by CPE data where available): microsoft (1307), google (756), oracle (156), ibm (140), adobe (138), broadcom (61), langflow (57), apache (45), freerdp (42), linuxfoundation (41)
| CVE | Severity | CVSS | KEV | Vendor / product | Published | Modified |
|---|---|---|---|---|---|---|
| CVE-2026-85945 Use after free in Windows Kernel allows an authorized attacker to elevate privil... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-87691 Use after free in Windows Management Services allows an authorized attacker to e... |
high | 7.8 | — | Microsoft / windows 11 23h2 | 2026-10-13 | 2026-10-28 |
| CVE-2026-87692 Deserialization of untrusted data in Microsoft Exchange Server allows an authori... |
high | 7.8 | — | Microsoft / exchange server | 2026-10-13 | 2026-10-29 |
| CVE-2026-87693 Use after free in Windows Installer allows an authorized attacker to elevate pri... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| 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-2026-85936 Double free in Windows Shell allows an unauthorized attacker to execute code ove... |
high | 8.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-85941 Concurrent execution using shared resource with improper synchronization ('race... |
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-2026-85931 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-2026-85933 Use after free in Windows Print Spooler Components allows an authorized attacker... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-85934 Use after free in Windows AppX Deployment Service allows an authorized attacker... |
high | 7.0 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-28 |
| CVE-2026-85920 Time-of-check time-of-use (toctou) race condition in Windows BitLocker allows an... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-16 |
| CVE-2026-85922 Weak authentication in Azure Key Vault allows an unauthorized attacker to bypass... |
high | 7.4 | — | Microsoft / azure-keyvault-administration | 2026-10-13 | 2026-10-16 |
| CVE-2026-85925 Improper restriction of communication channel to intended endpoints in Azure Key... |
high | 8.2 | — | Microsoft / azure-keyvault-administration | 2026-10-13 | 2026-10-16 |
| CVE-2026-85926 Use after free in Windows Secure Socket Tunneling Protocol (SSTP) allows an unau... |
high | 8.1 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-16 |
| 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-2026-85911 Use after free in Windows StateRepository API allows an authorized attacker to e... |
high | 7.8 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-26 |
| CVE-2026-85912 Concurrent execution using shared resource with improper synchronization ('race... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-26 |
| CVE-2026-85914 Use after free in Windows Embedded Mode Service allows an authorized attacker to... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-16 |
| CVE-2026-85915 Heap-based buffer overflow in Windows PCI Bus Driver allows an authorized attack... |
high | 7.8 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-16 |
| CVE-2026-85918 Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an a... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-16 |
| CVE-2026-85903 Untrusted pointer dereference in DNS Server allows an unauthorized attacker to e... |
high | 8.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-16 |
| CVE-2026-85904 Concurrent execution using shared resource with improper synchronization ('race... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-16 |
| 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-2026-85908 Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacke... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-85879 Time-of-check time-of-use (toctou) race condition in Windows Subsystem for Linux... |
high | 7.0 | — | Microsoft / windows subsystem for linux | 2026-10-13 | 2026-10-29 |
| CVE-2026-85881 Stack-based buffer overflow in Microsoft Graphics Component allows an authorized... |
high | 8.0 | — | Microsoft / 365 copilot | 2026-10-13 | 2026-10-29 |
| CVE-2026-85884 Missing authentication for critical function in Windows Health and Optimized Exp... |
high | 7.8 | — | Microsoft / windows 11 24h2 | 2026-10-13 | 2026-10-29 |
| CVE-2026-85891 Exposure of sensitive information to an unauthorized actor in Azure HDInsight al... |
high | 7.5 | — | — | 2026-10-13 | 2026-10-13 |
| CVE-2026-85900 Deserialization of untrusted data in Microsoft Office SharePoint allows an autho... |
high | 8.8 | — | Microsoft / sharepoint server | 2026-10-13 | 2026-10-14 |
| CVE-2026-85901 Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacke... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-16 |
| CVE-2026-85902 Heap-based buffer overflow in Windows Direct Composition allows an authorized at... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-16 |
| CVE-2026-85869 Heap-based buffer overflow in Microsoft Windows Search Component allows an autho... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-29 |
| CVE-2026-85870 Heap-based buffer overflow in Windows Common Log File System Driver allows an au... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-29 |
| CVE-2026-85871 Heap-based buffer overflow in Windows Kernel-Mode Drivers allows an authorized a... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-29 |
| CVE-2026-85872 Use after free in Windows Storage VSP Driver allows an authorized attacker to el... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-29 |
| CVE-2026-85874 Use after free in Windows Message Queuing Queue Manager allows an authorized att... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-29 |
| CVE-2026-85863 Use after free in Windows Clipboard User Service allows an authorized attacker t... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-29 |
| CVE-2026-85864 Improper privilege management in Python allows an authorized attacker to elevate... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-29 |
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.