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
17,481
Critical
1,390
High
6,087
Medium
6,446
Low
659
Severity not reported
2,899
In CISA KEV
21
Most affected vendors (by CPE data where available): microsoft (1359), google (759), oracle (376), apple (282), ibm (149), adobe (138), apache (73), imagemagick (72), broadcom (61), freerdp (60)
| CVE | Severity | CVSS | KEV | Vendor / product | Published | Modified |
|---|---|---|---|---|---|---|
| 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 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-28 |
| 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 |
| CVE-2026-70238 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-2026-70241 Use after free in Windows Kerberos allows an authorized attacker to elevate priv... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70228 Out-of-bounds read in Desktop Window Manager allows an authorized attacker to el... |
high | 7.8 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70229 Incorrect authorization in Active Directory Domain Services allows an unauthoriz... |
high | 8.1 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70230 Use after free in Windows Audio Service allows an authorized attacker to elevate... |
high | 7.0 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70233 Heap-based buffer overflow in Windows Common Log File System Driver allows an au... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70223 Use after free in Windows Console Driver allows an authorized attacker to elevat... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70225 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-2026-70222 Relative path traversal in Windows Shell allows an authorized attacker to elevat... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70215 Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-15 |
| CVE-2026-70218 Insufficient granularity of access control in Windows StateRepository API allows... |
high | 7.8 | — | Microsoft / windows 11 24h2 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70220 Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attac... |
high | 7.8 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-15 |
| CVE-2026-70209 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-2026-70210 Heap-based buffer overflow in Windows OLE DB allows an unauthorized attacker to... |
high | 8.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70212 Improper restriction of communication channel to intended endpoints in Windows S... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70213 Origin validation error in Microsoft Power Apps allows an authorized attacker to... |
high | 8.0 | — | — | 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.