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
17,475
Critical
1,339
High
5,868
Medium
6,255
Low
648
Severity not reported
3,365
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-2026-72968 Use after free in Windows Program Compatibility Assistant Service allows an auth... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70301 Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attac... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-15 |
| CVE-2026-70302 Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attac... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-15 |
| CVE-2026-70303 Out-of-bounds write in Windows Kernel allows an authorized attacker to elevate p... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-21 |
| CVE-2026-70343 Heap-based buffer overflow in Microsoft MPEG-2 Video Extension allows an unautho... |
high | 8.8 | — | — | 2026-10-13 | 2026-10-13 |
| CVE-2026-70566 Null pointer dereference in Windows Schannel allows an authorized attacker to el... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70571 Stack-based buffer overflow in Microsoft Exchange Server allows an unauthorized... |
high | 8.1 | — | — | 2026-10-13 | 2026-10-14 |
| CVE-2026-70297 Absolute path traversal in Skype for Business and Microsoft Lync allows an autho... |
high | 8.8 | — | — | 2026-10-13 | 2026-10-13 |
| CVE-2026-70299 Improper access control in Windows Bind Filter Driver allows an authorized attac... |
high | 8.8 | — | Microsoft / windows 11 23h2 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70285 Heap-based buffer overflow in Windows Win32 Kernel Subsystem allows an authorize... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-21 |
| CVE-2026-70286 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-2026-70287 Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attac... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-15 |
| CVE-2026-70278 Heap-based buffer overflow in Microsoft Windows Media Foundation allows an autho... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70281 Out-of-bounds read in Microsoft Office Outlook allows an unauthorized attacker t... |
high | 7.5 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-15 |
| CVE-2026-70282 Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized at... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-15 |
| CVE-2026-70272 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-2026-70273 Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker t... |
high | 7.0 | — | Microsoft / windows 11 24h2 | 2026-10-13 | 2026-10-22 |
| CVE-2026-70274 Use after free in Windows Bind Filter Driver allows an authorized attacker to el... |
high | 7.8 | — | Microsoft / windows 11 23h2 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70276 Use after free in Microsoft Office Click-To-Run allows an authorized attacker to... |
high | 7.0 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-15 |
| CVE-2026-70266 Improper neutralization of special elements used in an sql command ('sql injecti... |
high | 8.8 | — | Microsoft / sharepoint server | 2026-10-13 | 2026-10-14 |
| CVE-2026-70267 Inclusion of functionality from untrusted control sphere in Microsoft Office Sha... |
high | 7.2 | — | Microsoft / sharepoint server | 2026-10-13 | 2026-10-14 |
| CVE-2026-70268 Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attac... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-15 |
| CVE-2026-70269 Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attac... |
high | 8.1 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-15 |
| CVE-2026-70271 Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker t... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-31 |
| CVE-2026-70256 Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized at... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-15 |
| CVE-2026-70257 Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized at... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-15 |
| CVE-2026-70258 Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unaut... |
high | 8.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70252 Use after free in Virtual Hard Disk (VHD) Miniport Driver allows an authorized a... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70253 Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker t... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-22 |
| CVE-2026-70254 Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-15 |
| CVE-2026-70255 Heap-based buffer overflow in Desktop Window Manager allows an authorized attack... |
high | 7.8 | — | — | 2026-10-13 | 2026-10-16 |
| CVE-2026-70249 Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker t... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-22 |
| CVE-2026-70250 Use after free in Windows DHCP Client allows an unauthorized attacker to execute... |
high | 8.8 | — | Microsoft / windows server 2012 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70251 Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an auth... |
high | 7.5 | — | Microsoft / sharepoint server | 2026-10-13 | 2026-10-14 |
| CVE-2026-70243 Use after free in Windows Kernel allows an authorized attacker to elevate privil... |
high | 7.0 | — | Microsoft / windows 11 23h2 | 2026-10-13 | 2026-10-22 |
| CVE-2026-70245 Access of resource using incompatible type ('type confusion') in Windows Ancilla... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70246 Incorrect authorization in Microsoft Office SharePoint allows an authorized atta... |
high | 8.8 | — | Microsoft / sharepoint server | 2026-10-13 | 2026-10-14 |
| CVE-2026-70247 Out-of-bounds read in Windows HTTP.sys allows an authorized attacker to execute... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70236 Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker t... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-22 |
| CVE-2026-70237 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 |
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.