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 (382), apple (282), ibm (149), adobe (138), apache (73), imagemagick (72), broadcom (61), freerdp (60)
| CVE | Severity | CVSS | KEV | Vendor / product | Published | Modified |
|---|---|---|---|---|---|---|
| CVE-2026-102856 Heap-based buffer overflow in Microsoft Office Visio allows an unauthorized atta... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-15 |
| CVE-2026-102225 Out-of-bounds read in Windows Text Shaping allows an unauthorized attacker to ex... |
high | 8.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-26 |
| CVE-2026-102226 Improper limitation of a pathname to a restricted directory ('path traversal') i... |
high | 8.8 | — | — | 2026-10-13 | 2026-10-14 |
| CVE-2026-102227 Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an aut... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-26 |
| CVE-2026-102231 Improper resolution of path equivalence in Visual Studio Code allows an unauthor... |
high | 7.7 | — | Microsoft / visual studio code | 2026-10-13 | 2026-10-27 |
| CVE-2026-102232 Incorrect authorization in Visual Studio Code allows an unauthorized attacker to... |
high | 7.0 | — | — | 2026-10-13 | 2026-10-13 |
| CVE-2026-102233 Missing authorization in Visual Studio Code allows an unauthorized attacker to b... |
high | 7.8 | — | — | 2026-10-13 | 2026-10-16 |
| CVE-2026-102215 Heap-based buffer overflow in Windows Universal Disk Format File System Driver (... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-21 |
| CVE-2026-102216 Access of resource using incompatible type ('type confusion') in Windows StateRe... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-21 |
| CVE-2026-102217 Improper resolution of path equivalence in WebDAV allows an authorized attacker... |
high | 8.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-21 |
| CVE-2026-102218 Heap-based buffer overflow in Windows Universal Disk Format File System Driver (... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-26 |
| CVE-2026-102220 Use after free in Windows VHD miniport driver allows an authorized attacker to e... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-26 |
| CVE-2026-102207 Concurrent execution using shared resource with improper synchronization ('race... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-20 |
| CVE-2026-102208 Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker t... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-20 |
| CVE-2026-102209 Heap-based buffer overflow in Microsoft Graphics Component allows an authorized... |
high | 7.0 | — | Microsoft / windows 11 26h1 | 2026-10-13 | 2026-10-20 |
| CVE-2026-102211 Use after free in Windows Virtualization-Based Security (VBS) Enclave allows an... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-20 |
| CVE-2026-102214 Use after free in Windows Hyper-V allows an authorized attacker to execute code... |
high | 8.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-21 |
| CVE-2026-102201 Use after free in Microsoft Windows Media Foundation allows an authorized attack... |
high | 7.8 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-20 |
| CVE-2026-102202 Improper access control in Windows Container Isolation FS Filter Driver (unionfs... |
high | 7.8 | — | Microsoft / windows 11 23h2 | 2026-10-13 | 2026-10-20 |
| CVE-2026-102203 Access of resource using incompatible type ('type confusion') in RPC Runtime all... |
high | 8.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-20 |
| CVE-2026-102204 Improper link resolution before file access ('link following') in Windows Subsys... |
high | 7.8 | — | — | 2026-10-13 | 2026-10-20 |
| CVE-2026-102205 Heap-based buffer overflow in Windows Universal Disk Format File System Driver (... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-20 |
| CVE-2026-102194 Use after free in Windows Graphics Kernel allows an authorized attacker to eleva... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-20 |
| CVE-2026-102195 Use after free in Windows Broadcast DVR User Service allows an authorized attack... |
high | 7.0 | — | Microsoft / windows 11 23h2 | 2026-10-13 | 2026-10-20 |
| CVE-2026-102196 Use after free in Windows Broadcast DVR User Service allows an authorized attack... |
high | 7.8 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-20 |
| CVE-2026-102197 Use after free in Windows Broadcast DVR User Service allows an authorized attack... |
high | 7.0 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-20 |
| CVE-2026-102189 Heap-based buffer overflow in Windows Storage allows an authorized attacker to e... |
high | 7.0 | — | Microsoft / windows 11 23h2 | 2026-10-13 | 2026-10-20 |
| CVE-2026-102191 Heap-based buffer overflow in Windows Storage allows an authorized attacker to e... |
high | 7.0 | — | Microsoft / windows 11 23h2 | 2026-10-13 | 2026-10-20 |
| CVE-2026-102192 Integer underflow (wrap or wraparound) in Windows Failover Cluster allows an una... |
high | 7.5 | — | Microsoft / windows server 2019 | 2026-10-13 | 2026-10-20 |
| CVE-2026-102193 Use after free in Windows Broadcast DVR User Service allows an authorized attack... |
high | 7.0 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-20 |
| CVE-2026-100220 Heap-based buffer overflow in Windows Media Video Decoder allows an unauthorized... |
high | 8.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-20 |
| CVE-2026-100225 Heap-based buffer overflow in Windows Storage allows an authorized attacker to e... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-20 |
| CVE-2026-100211 Use after free in Microsoft Office Excel allows an unauthorized attacker to exec... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-15 |
| CVE-2026-100212 Use after free in Microsoft Office Excel allows an unauthorized attacker to exec... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-15 |
| CVE-2026-100214 Deserialization of untrusted data in Dynamics Business Central allows an authori... |
high | 8.8 | — | — | 2026-10-13 | 2026-10-14 |
| CVE-2026-100215 Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorize... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-20 |
| CVE-2026-100216 Stack-based buffer overflow in Windows Storage allows an authorized attacker to... |
high | 7.0 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-20 |
| CVE-2026-100217 Improper privilege management in Windows Group Policy allows an authorized attac... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-20 |
| CVE-2026-100218 Use after free in Remote Desktop Gateway Service allows an unauthorized attacker... |
high | 8.1 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-20 |
| CVE-2026-100203 Heap-based buffer overflow in Windows Update Service allows an authorized attack... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-20 |
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.