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-2026-87702 Integer overflow or wraparound in Windows Resource Management (MRM) allows an au... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-87704 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-2026-87705 Improper verification of source of a communication channel in Windows Hyper-V al... |
high | 7.4 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-87706 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-2026-69414 Microsoft is aware of an elevation of privilege in the Microsoft Malware Protect... |
high | 7.8 | — | Microsoft / malware protection engine | 2026-08-14 | 2026-10-28 |
| CVE-2026-68807 Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized atta... |
high | 7.8 | — | Microsoft / 365 apps | 2026-08-11 | 2026-10-28 |
| CVE-2026-62897 Integer overflow or wraparound in .NET Framework allows an unauthorized attacker... |
high | 7.0 | — | Microsoft / .net framework | 2026-08-11 | 2026-10-28 |
| CVE-2026-62901 Unchecked input for loop condition in .NET allows an unauthorized attacker to de... |
high | 7.5 | — | Microsoft / visual studio 2022 | 2026-08-11 | 2026-10-28 |
| CVE-2026-62909 Uncaught exception in .NET allows an authorized attacker to elevate privileges l... |
high | 7.8 | — | Microsoft / visual studio 2022 | 2026-08-11 | 2026-10-28 |
| CVE-2026-62877 Stack-based buffer overflow in Windows Win32K allows an authorized attacker to e... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-08-11 | 2026-10-28 |
| CVE-2026-57108 Access of resource using incompatible type ('type confusion') in .NET Core allow... |
high | 7.5 | — | Microsoft / .net | 2026-07-14 | 2026-10-28 |
| CVE-2026-56170 Allocation of resources without limits or throttling in ASP.NET Core allows an u... |
high | 7.5 | — | Microsoft / .net | 2026-07-14 | 2026-10-28 |
| CVE-2026-50651 Allocation of resources without limits or throttling in .NET allows an unauthori... |
high | 7.5 | — | Microsoft / .net | 2026-07-14 | 2026-10-28 |
| CVE-2026-50528 Incorrect authorization in .NET allows an unauthorized attacker to bypass a secu... |
high | 8.2 | — | Microsoft / .net | 2026-07-14 | 2026-10-28 |
| CVE-2026-50646 Protection mechanism failure in .NET Framework allows an unauthorized attacker t... |
high | 7.8 | — | Microsoft / .net framework | 2026-07-14 | 2026-10-28 |
| CVE-2026-50648 Allocation of resources without limits or throttling in .NET Framework allows an... |
high | 7.5 | — | Microsoft / .net framework | 2026-07-14 | 2026-10-28 |
| CVE-2026-50649 Deserialization of untrusted data in .NET allows an unauthorized attacker to exe... |
high | 7.8 | — | Microsoft / .net framework | 2026-07-14 | 2026-10-28 |
| CVE-2026-50650 Improper control of generation of code ('code injection') in .NET Framework allo... |
high | 7.8 | — | Microsoft / .net framework | 2026-07-14 | 2026-10-28 |
| CVE-2026-50524 Improper validation of specified type of input in .NET Framework allows an unaut... |
high | 7.5 | — | Microsoft / .net | 2026-07-14 | 2026-10-28 |
| CVE-2026-50525 Allocation of resources without limits or throttling in .NET allows an unauthori... |
high | 7.5 | — | Microsoft / .net framework | 2026-07-14 | 2026-10-28 |
| CVE-2026-50527 Stack-based buffer overflow in .NET Framework allows an unauthorized attacker to... |
high | 7.5 | — | Microsoft / .net framework | 2026-07-14 | 2026-10-28 |
| CVE-2026-47302 Allocation of resources without limits or throttling in .NET allows an unauthori... |
high | 7.5 | — | Microsoft / .net framework | 2026-07-14 | 2026-10-28 |
| CVE-2026-47303 Authentication bypass by assumed-immutable data in ASP.NET Core allows an author... |
high | 8.8 | — | Microsoft / .net | 2026-07-14 | 2026-10-28 |
| CVE-2026-47300 Incorrect implementation of authentication algorithm in ASP.NET Core allows an a... |
high | 8.8 | — | Microsoft / .net | 2026-07-14 | 2026-10-28 |
| CVE-2026-87707 Heap-based buffer overflow in Windows Fax and Scan Service allows an authorized... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-87708 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-2026-88106 Use after free in Windows Cloud Files Mini Filter Driver allows an authorized at... |
high | 7.0 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-28 |
| CVE-2026-88107 Use after free in Windows Cloud Files Mini Filter Driver allows an authorized at... |
high | 7.0 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-28 |
| CVE-2026-83790 Use after free in Windows Hello allows an authorized attacker to elevate privile... |
high | 7.0 | — | Microsoft / windows 10 21h2 | 2026-10-13 | 2026-10-28 |
| CVE-2026-83791 Improper authorization in Windows Virtual Input allows an authorized attacker to... |
high | 7.8 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-28 |
| CVE-2026-83792 Incorrect authorization in Windows Device Install Service allows an authorized a... |
high | 7.8 | — | Microsoft / windows 10 21h2 | 2026-10-13 | 2026-10-28 |
| CVE-2026-83793 Improper link resolution before file access ('link following') in Windows Update... |
high | 7.0 | — | Microsoft / windows 10 21h2 | 2026-10-13 | 2026-10-28 |
| CVE-2026-83842 Double free in Windows TCP/IP allows an authorized attacker to elevate privilege... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-83843 Out-of-bounds read in Windows Internet Key Exchange (IKE) Protocol allows an una... |
high | 7.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-88113 Use after free in Windows Broadcast DVR User Service allows an authorized attack... |
high | 7.0 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-28 |
| CVE-2026-83588 Heap-based buffer overflow in Windows USB Driver allows an authorized attacker t... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-83640 Heap-based buffer overflow in Windows NTFS allows an authorized attacker to exec... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-88118 Integer overflow or wraparound in Windows Background Intelligent Transfer Servic... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-83639 Heap-based buffer overflow in Windows Sensor Data Service allows an authorized a... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-88121 Use after free in Windows Background Intelligent Transfer Service (BITS) allows... |
high | 8.8 | — | Microsoft / windows 10 1607 | 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.