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
17,476
Critical
1,339
High
5,869
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-2026-70237 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 |
| CVE-2026-70202 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-2026-70205 Access of resource using incompatible type ('type confusion') in Windows Ancilla... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70207 Heap-based buffer overflow in Network Policy Server (NPS) allows an authorized a... |
high | 7.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70190 Improper link resolution before file access ('link following') in .NET allows an... |
high | 7.3 | — | — | 2026-10-13 | 2026-10-22 |
| CVE-2026-70197 Out-of-bounds write in .NET allows an unauthorized attacker to execute code over... |
high | 8.1 | — | — | 2026-10-13 | 2026-10-25 |
| CVE-2026-70198 Use after free in Windows Push Notifications allows an authorized attacker to el... |
high | 7.0 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-29 |
| CVE-2026-70179 Authentication bypass by spoofing in ASP.NET Core allows an authorized attacker... |
high | 7.5 | — | — | 2026-10-13 | 2026-10-22 |
| CVE-2026-70181 Allocation of resources without limits or throttling in ASP.NET Core allows an u... |
high | 7.5 | — | — | 2026-10-13 | 2026-10-13 |
| CVE-2026-70183 Concurrent execution using shared resource with improper synchronization ('race... |
high | 7.5 | — | — | 2026-10-13 | 2026-10-14 |
| CVE-2026-70184 Improper resolution of path equivalence in Windows Backup Engine allows an autho... |
high | 7.8 | — | Microsoft / windows 10 21h2 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70185 Protection mechanism failure in Windows PowerShell allows an authorized attacker... |
high | 8.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70186 Deadlock in ASP.NET Core allows an unauthorized attacker to deny service over a... |
high | 7.5 | — | — | 2026-10-13 | 2026-10-13 |
| CVE-2026-70187 Use after free in Remote Desktop Gateway Service allows an unauthorized attacker... |
high | 8.1 | — | — | 2026-10-13 | 2026-10-13 |
| CVE-2026-70172 Untrusted pointer dereference in Windows NTFS allows an authorized attacker to e... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70174 Improperly implemented security check for standard in .NET allows an unauthorize... |
high | 8.8 | — | — | 2026-10-13 | 2026-10-22 |
| CVE-2026-70175 Improper authentication in ASP.NET Core allows an unauthorized attacker to eleva... |
high | 8.1 | — | — | 2026-10-13 | 2026-10-14 |
| CVE-2026-70176 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-2026-70177 Numeric truncation error in Microsoft Windows Search Component allows an authori... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70164 Use after free in Windows TCP/IP allows an authorized attacker to elevate privil... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70167 Access of resource using incompatible type ('type confusion') in DNS Server allo... |
high | 8.8 | — | Microsoft / windows server 2022 | 2026-10-13 | 2026-10-16 |
| CVE-2026-70168 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-2026-70169 Concurrent execution using shared resource with improper synchronization ('race... |
high | 7.0 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70158 Remote Code Execution in Windows Routing and Remote Access Service (RRAS) 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.