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
17,479
Critical
1,340
High
5,869
Medium
6,256
Low
648
Severity not reported
3,366
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-2026-70284 Use of uninitialized resource in Windows Win32 Kernel Subsystem allows an author... |
medium | 5.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-21 |
| CVE-2026-70263 Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to d... |
medium | 6.5 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-15 |
| CVE-2026-70264 Improper link resolution before file access ('link following') in Microsoft Defe... |
medium | 5.5 | — | — | 2026-10-13 | 2026-10-13 |
| 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-2026-70259 Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an auth... |
medium | 6.5 | — | Microsoft / sharepoint server | 2026-10-13 | 2026-10-14 |
| 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-2026-70261 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-2026-70248 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-2026-70244 Out-of-bounds read in DNS Server allows an unauthorized attacker to disclose inf... |
medium | 6.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-16 |
| 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-2026-70232 Exposure of sensitive system information to an unauthorized control sphere in Wi... |
medium | 5.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-22 |
| 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-2026-70227 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-2026-70214 Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to... |
medium | 5.5 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-14 |
| 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-2026-70217 Improper access control in Microsoft Office SharePoint allows an authorized atta... |
medium | 4.9 | — | Microsoft / sharepoint server | 2026-10-13 | 2026-10-14 |
| CVE-2026-70219 Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to... |
medium | 6.5 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-14 |
| CVE-2026-70211 Out-of-bounds read in Windows Win32 Kernel Subsystem allows an authorized attack... |
medium | 5.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-31 |
| CVE-2026-70199 Exposure of sensitive system information to an unauthorized control sphere in Wi... |
medium | 5.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-22 |
| CVE-2026-70201 Out-of-bounds read in Windows DHCP Server allows an authorized attacker to deny... |
medium | 5.5 | — | Microsoft / windows server 2012 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70206 Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to d... |
medium | 6.5 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-15 |
| 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-2026-70194 Improper certificate validation in .NET Framework allows an unauthorized attacke... |
medium | 6.5 | — | — | 2026-10-13 | 2026-10-22 |
| CVE-2026-70195 Use after free in Windows Ancillary Function Driver for WinSock allows an author... |
medium | 4.7 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70196 Inefficient algorithmic complexity in ASP.NET Core allows an unauthorized attack... |
medium | 5.9 | — | — | 2026-10-13 | 2026-10-13 |
| CVE-2026-70170 Untrusted pointer dereference in Windows Kernel allows an authorized attacker to... |
medium | 6.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-22 |
| CVE-2026-70173 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 |
| CVE-2026-70165 Improper link resolution before file access ('link following') in .NET allows an... |
medium | 6.7 | — | — | 2026-10-13 | 2026-10-22 |
| CVE-2026-70166 Out-of-bounds read in Windows DNS allows an authorized attacker to deny service... |
medium | 6.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-16 |
| CVE-2026-70162 A denial of service vulnerability exists when Microsoft Common Object Runtime Li... |
medium | 5.9 | — | — | 2026-10-13 | 2026-10-22 |
| 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 |
| 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-2026-70135 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-2026-70128 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-2026-70119 Out-of-bounds read in Windows DNS allows an authorized attacker to execute code... |
medium | 6.5 | — | Microsoft / windows server 2022 | 2026-10-13 | 2026-10-16 |
| 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-2026-70116 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-2026-70097 Concurrent execution using shared resource with improper synchronization ('race... |
medium | 5.6 | — | Microsoft / windows 11 24h2 | 2026-10-13 | 2026-10-21 |
| CVE-2026-70085 Missing authorization in DNS Server allows an authorized attacker to perform tam... |
medium | 5.5 | — | Microsoft / windows server 2012 | 2026-10-13 | 2026-10-16 |
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.