October 2026 CVE archive
Records published in NIST NVD between Oct 1 and Oct 29, 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
16,209
Critical
1,207
High
5,399
Medium
5,736
Low
600
Severity not reported
3,267
In CISA KEV
17
Most affected vendors (by CPE data where available): microsoft (1078), google (711), ibm (140), oracle (117), adobe (110), broadcom (61), apache (45), freerdp (42), linuxfoundation (41), dell (40)
| CVE | Severity | CVSS | KEV | Vendor / product | Published | Modified |
|---|---|---|---|---|---|---|
| CVE-2026-69886 Heap-based buffer overflow in Windows Imaging Component allows an unauthorized a... |
critical | 9.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-16 |
| CVE-2026-69634 Heap-based buffer overflow in Windows iSCSI allows an unauthorized attacker to e... |
critical | 9.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-26 |
| CVE-2026-69639 Heap-based buffer overflow in Windows Libarchive allows an unauthorized attacker... |
critical | 9.8 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-26 |
| CVE-2026-105723 Untrusted pointer dereference in Windows Distributed File System (DFS) allows an... |
critical | 9.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-26 |
| CVE-2026-105008 No cwe for this issue in Windows Schannel allows an unauthorized attacker to per... |
critical | 9.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-27 |
| CVE-2026-105010 Use after free in Microsoft Windows Search Component allows an unauthorized atta... |
critical | 9.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-26 |
| CVE-2026-102210 Heap-based buffer overflow in Windows Text Shaping allows an unauthorized attack... |
critical | 9.8 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-20 |
| CVE-2026-100219 Use after free in Microsoft QUIC allows an unauthorized attacker to execute code... |
critical | 9.8 | — | Microsoft / windows 11 23h2 | 2026-10-13 | 2026-10-20 |
| CVE-2026-100222 Heap-based buffer overflow in Network Policy Server (NPS) allows an unauthorized... |
critical | 9.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-20 |
| CVE-2026-100202 Use after free in Windows Message Queuing Queue Manager allows an unauthorized a... |
critical | 9.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-20 |
| CVE-2026-96207 Improper certificate validation in Microsoft Partner Center allows an unauthoriz... |
critical | 10.0 | — | Microsoft / partner center | 2026-10-08 | 2026-10-15 |
| CVE-2026-88131 Deserialization of untrusted data in Microsoft Dataverse allows an unauthorized... |
critical | 9.8 | — | Microsoft / dataverse | 2026-10-08 | 2026-10-15 |
| CVE-2026-108445 Stack-based buffer overflow in Microsoft Office Word allows an unauthorized atta... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-15 | 2026-10-19 |
| CVE-2026-108446 Use after free in Microsoft Office Excel allows an unauthorized attacker to exec... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-15 | 2026-10-19 |
| CVE-2026-108447 Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attac... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-15 | 2026-10-19 |
| CVE-2026-108448 Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized at... |
high | 7.5 | — | Microsoft / 365 apps | 2026-10-15 | 2026-10-19 |
| CVE-2026-108449 Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attac... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-15 | 2026-10-19 |
| CVE-2026-108450 Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attac... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-15 | 2026-10-19 |
| CVE-2026-108451 Numeric truncation error in Microsoft Office Word allows an unauthorized attacke... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-15 | 2026-10-19 |
| CVE-2026-108452 Improper limitation of a pathname to a restricted directory ('path traversal') i... |
high | 8.8 | — | Microsoft / sharepoint server | 2026-10-15 | 2026-10-19 |
| CVE-2026-108437 Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attac... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-15 | 2026-10-20 |
| CVE-2026-108439 Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attac... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-15 | 2026-10-20 |
| CVE-2026-108440 Stack-based buffer overflow in Microsoft Office Word allows an unauthorized atta... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-15 | 2026-10-20 |
| CVE-2026-108441 Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attac... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-15 | 2026-10-20 |
| CVE-2026-108442 Use after free in Microsoft Office Word allows an unauthorized attacker to execu... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-15 | 2026-10-20 |
| CVE-2026-108443 Off-by-one error in Microsoft Office Word allows an unauthorized attacker to exe... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-15 | 2026-10-19 |
| CVE-2026-108444 Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker t... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-15 | 2026-10-19 |
| CVE-2026-108428 Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attac... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-15 | 2026-10-20 |
| CVE-2026-108429 Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attac... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-15 | 2026-10-20 |
| CVE-2026-108430 Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attac... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-15 | 2026-10-20 |
| CVE-2026-108431 Stack-based buffer overflow in Microsoft Office Word allows an unauthorized atta... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-15 | 2026-10-20 |
| CVE-2026-108432 Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attac... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-15 | 2026-10-20 |
| CVE-2026-108433 Reliance on untrusted inputs in a security decision in Microsoft Office Word all... |
high | 7.8 | — | Microsoft / 365 apps | 2026-10-15 | 2026-10-20 |
| CVE-2026-108426 Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attac... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-15 | 2026-10-20 |
| CVE-2026-108427 Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attac... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-15 | 2026-10-20 |
| CVE-2026-88164 Missing authorization in Microsoft Office SharePoint allows an authorized attack... |
high | 8.8 | — | Microsoft / sharepoint server | 2026-10-14 | 2026-10-20 |
| CVE-2026-102855 Heap-based buffer overflow in Microsoft Office Visio allows an unauthorized atta... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-20 |
| CVE-2026-97830 Double free in Windows Internet Information Services allows an unauthorized atta... |
high | 7.5 | — | Microsoft / windows 11 23h2 | 2026-10-13 | 2026-10-14 |
| CVE-2026-97809 Use after free in Windows Broadcast DVR User Service allows an authorized attack... |
high | 7.8 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-16 |
| CVE-2026-97810 Heap-based buffer overflow in Windows Container Isolation FS Filter Driver (unio... |
high | 7.0 | — | Microsoft / windows 11 24h2 | 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.