October 2026 CVE archive
Records last modified 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. The modified view only includes records that were CRITICAL or CISA-KEV-listed when imported — it is not a complete list of every modification.
Total records
22,229
Critical
3,102
High
7,094
Medium
6,630
Low
674
Severity not reported
4,729
In CISA KEV
188
Most affected vendors (by CPE data where available): microsoft (1176), google (780), ibm (323), mozilla (182), oracle (154), adobe (137), linux (126), apache (116), broadcom (113), fabian (98)
| CVE | Severity | CVSS | KEV | Vendor / product | Published | Modified |
|---|---|---|---|---|---|---|
| CVE-2026-88207 Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized... |
high | 7.5 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-15 |
| CVE-2026-88210 Reliance on untrusted inputs in a security decision in Microsoft Office Word all... |
high | 7.8 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-15 |
| CVE-2026-88186 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-2026-88196 Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker t... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-15 |
| CVE-2026-88185 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-2026-88144 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-2026-88145 Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized atta... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-15 |
| CVE-2026-88150 Use of uninitialized resource in Microsoft Office Word allows an unauthorized at... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-15 |
| CVE-2026-83891 Stack-based buffer overflow in Microsoft Office Word allows an unauthorized atta... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-15 |
| CVE-2026-77902 Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized atta... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-15 |
| 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-2026-70287 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-2026-70281 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-2026-70268 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-2026-70254 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-2026-70215 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-2026-70220 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-2026-105599 Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized... |
high | 7.5 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-15 |
| CVE-2026-105715 Integer overflow or wraparound in Microsoft Office Word allows an unauthorized a... |
high | 7.5 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-15 |
| CVE-2026-105718 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-2026-102858 Heap-based buffer overflow in Microsoft Office OneNote allows an unauthorized at... |
high | 8.8 | — | Microsoft / microsoft 365 | 2026-10-13 | 2026-10-15 |
| 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-2026-100209 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-2026-100210 Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized atta... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-15 |
| CVE-2026-69435 Missing authorization in Azure SRE Agent allows an authorized attacker to elevat... |
high | 8.1 | — | Microsoft / azure sre agent | 2026-10-08 | 2026-10-15 |
| CVE-2026-97774 Time-of-check time-of-use (toctou) race condition in Microsoft Office Click-To-R... |
high | 7.0 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-15 |
| CVE-2026-96996 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-2026-88109 Use after free in Microsoft Office Click-To-Run allows an authorized attacker to... |
high | 7.8 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-15 |
| CVE-2026-85340 Use after free in Microsoft Office Click-To-Run allows an authorized attacker to... |
high | 7.8 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-15 |
| 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-2026-102857 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-2026-102856 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-2026-70256 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-2026-70282 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-2026-97012 Stack-based buffer overflow in Microsoft Office Outlook allows an unauthorized a... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-15 |
| CVE-2026-102849 Heap-based buffer overflow in Microsoft Office Access allows an unauthorized att... |
high | 8.8 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-15 |
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.