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-2026-83636 Null pointer dereference in Windows Hyper-V allows an authorized attacker to den... |
medium | 6.5 | — | Microsoft / windows 10 21h2 | 2026-10-13 | 2026-10-28 |
| CVE-2026-83582 Use after free in Windows Graphics Kernel allows an authorized attacker to discl... |
medium | 4.7 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-96858 Missing authentication for critical function in Windows Security Account Manager... |
medium | 5.5 | — | Microsoft / windows 10 21h2 | 2026-10-13 | 2026-10-28 |
| CVE-2026-96859 Out-of-bounds read in Windows Imaging Component allows an authorized attacker to... |
medium | 5.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-96860 Out-of-bounds read in Windows USB Print Driver allows an authorized attacker to... |
medium | 5.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-83573 Integer overflow or wraparound in Windows Kernel Mode Driver allows an unauthori... |
medium | 6.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-83565 Buffer over-read in Windows Encrypting File System (EFS) allows an authorized at... |
medium | 5.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-83500 Url redirection to untrusted site ('open redirect') in Windows BitLocker allows... |
medium | 6.1 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-83504 Time-of-check time-of-use (toctou) race condition in Windows SmartScreen allows... |
medium | 4.7 | — | Microsoft / windows 11 23h2 | 2026-10-13 | 2026-10-28 |
| CVE-2026-83507 Improper link resolution before file access ('link following') in Windows Update... |
medium | 5.5 | — | Microsoft / windows 10 21h2 | 2026-10-13 | 2026-10-28 |
| CVE-2026-81964 Use of hard-coded credentials in Windows Update Orchestrator Service allows an a... |
medium | 5.5 | — | Microsoft / windows 10 21h2 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70270 Untrusted pointer dereference in Windows Container Isolation FS Filter Driver al... |
medium | 5.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70261 Exposure of sensitive system information to an unauthorized control sphere in Mi... |
medium | 5.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70260 Exposure of sensitive system information to an unauthorized control sphere in Mi... |
medium | 5.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70234 Buffer over-read in Desktop Window Manager allows an authorized attacker to disc... |
medium | 5.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70128 Out-of-bounds read in HID Parser Library allows an authorized attacker to disclo... |
medium | 5.5 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70277 Out-of-bounds read in Windows Fast FAT Driver allows an unauthorized attacker to... |
medium | 5.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70122 Time-of-check time-of-use (toctou) race condition in Windows Broadcast DVR User... |
medium | 6.5 | — | Microsoft / windows 10 21h2 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70280 Incorrect authorization in Windows Hello allows an authorized attacker to bypass... |
medium | 5.5 | — | Microsoft / windows 10 21h2 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70135 Out-of-bounds read in Windows Remote POS Driver allows an authorized attacker to... |
medium | 5.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70137 Improper access control in Windows Remote Access Connection Manager allows an au... |
medium | 5.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70148 Improper authorization in Windows Broadcast DVR User Service allows an authorize... |
medium | 6.5 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70116 Stack-based buffer overflow in Windows Resilient File System (ReFS) allows an un... |
medium | 4.2 | — | Microsoft / windows 11 24h2 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70208 Out-of-bounds read in Windows HTTP.sys allows an authorized attacker to disclose... |
medium | 5.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-96865 Exposure of sensitive system information to an unauthorized control sphere in Wi... |
medium | 5.6 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-96863 Heap-based buffer overflow in Windows Storage Port Driver allows an unauthorized... |
medium | 6.8 | — | Microsoft / windows 11 23h2 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70216 Insufficient granularity of access control in Windows Mobile Device Management a... |
medium | 5.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70005 Weak authentication in Active Directory Federation Services (AD FS) allows an un... |
medium | 5.9 | — | Microsoft / windows server 2019 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70227 Out-of-bounds read in Windows Device Association Service allows an authorized at... |
medium | 5.5 | — | Microsoft / windows 11 23h2 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70235 Improper authentication in Windows Event Tracing allows an authorized attacker t... |
medium | 5.5 | — | Microsoft / windows 11 24h2 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70248 Null pointer dereference in Windows Hyper-V allows an authorized attacker to den... |
medium | 6.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70055 Exposure of sensitive system information to an unauthorized control sphere in Wi... |
medium | 5.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70057 Incorrect authorization in Windows Routing and Remote Access Service (RRAS) allo... |
medium | 5.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70063 Out-of-bounds read in Windows Kernel allows an authorized attacker to disclose i... |
medium | 4.7 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70072 Allocation of resources without limits or throttling in Windows Netlogon allows... |
medium | 6.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70077 Use after free in Windows Kernel allows an authorized attacker to disclose infor... |
medium | 4.7 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70084 Improper access control in Windows Projected File System allows an authorized at... |
medium | 5.5 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70090 Use of uninitialized resource in Windows Netlogon allows an authorized attacker... |
medium | 5.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-69644 Exposure of sensitive system information to an unauthorized control sphere in Wi... |
medium | 5.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70141 Out-of-bounds read in Microsoft Windows Search Component allows an authorized at... |
medium | 5.5 | — | 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.