October 2026 CVE archive
Records last modified 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. 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
21,937
Critical
3,121
High
7,064
Medium
6,901
Low
608
Severity not reported
4,243
In CISA KEV
186
Most affected vendors (by CPE data where available): microsoft (1423), linux (722), google (413), ibm (321), oracle (193), mozilla (182), adobe (165), broadcom (118), apache (115), fabian (98)
| CVE | Severity | CVSS | KEV | Vendor / product | Published | Modified |
|---|---|---|---|---|---|---|
| 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-2026-108437 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-2026-88160 Concurrent execution using shared resource with improper synchronization ('race... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-20 |
| CVE-2026-88161 Use after free in Windows Local Security Authority (LSA) allows an authorized at... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-20 |
| CVE-2026-88165 Out-of-bounds write in Active Directory Domain Services allows an authorized att... |
high | 8.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-20 |
| CVE-2026-88168 Heap-based buffer overflow in Windows Bind Filter Driver allows an authorized at... |
high | 7.8 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-20 |
| CVE-2026-88171 Double free in Windows DHCP Server allows an unauthorized attacker to execute co... |
high | 8.1 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-20 |
| CVE-2026-88173 Use after free in Windows Background Intelligent Transfer Service (BITS) allows... |
high | 8.1 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-20 |
| CVE-2026-88174 Concurrent execution using shared resource with improper synchronization ('race... |
high | 8.1 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-20 |
| CVE-2026-88177 Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-20 |
| CVE-2026-88179 Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-20 |
| CVE-2026-88180 Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to... |
high | 7.8 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-20 |
| CVE-2026-88181 Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to... |
high | 7.8 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-20 |
| CVE-2026-88193 Heap-based buffer overflow in Microsoft Scripting Engine allows an authorized at... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-20 |
| CVE-2026-88219 Untrusted pointer dereference in RPC Runtime allows an unauthorized attacker to... |
high | 8.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-20 |
| CVE-2026-96246 Out-of-bounds read in Network Policy Server (NPS) allows an unauthorized attacke... |
high | 7.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-20 |
| CVE-2026-96856 Heap-based buffer overflow in Windows Management Instrumentation allows an autho... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 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-2026-108445 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-2026-70012 Use after free in Remote Desktop Client allows an unauthorized attacker to execu... |
high | 7.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-19 |
| CVE-2026-83934 Stack-based buffer overflow in Windows GDI+ allows an unauthorized attacker to e... |
high | 8.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-19 |
| CVE-2026-84012 Double free in Remote Desktop Gateway Service allows an unauthorized attacker to... |
high | 8.1 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-19 |
| CVE-2026-84013 Use after free in Windows Telephony Server allows an authorized attacker to elev... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-19 |
| CVE-2026-84014 Heap-based buffer overflow in Windows Device Association Service allows an autho... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-19 |
| CVE-2026-84016 Out-of-bounds write in Windows EAPHost Service allows an authorized attacker to... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-19 |
| CVE-2026-84017 Null pointer dereference in Windows Routing and Remote Access Service (RRAS) all... |
high | 7.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-19 |
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.