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
16,212
Critical
1,207
High
5,399
Medium
5,736
Low
600
Severity not reported
3,270
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-2026-97816 Use after free in OpenSSH for Windows allows an unauthorized attacker to execute... |
critical | 9.8 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-16 |
| CVE-2026-97814 Heap-based buffer overflow in Windows Text Shaping allows an unauthorized attack... |
critical | 9.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-16 |
| CVE-2026-97815 Heap-based buffer overflow in Windows Error Reporting allows an unauthorized att... |
critical | 9.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-16 |
| CVE-2026-97805 Out-of-bounds read in Windows Partition Management Driver allows an unauthorized... |
critical | 9.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-16 |
| CVE-2026-97749 Double free in Microsoft Office Outlook allows an unauthorized attacker to execu... |
critical | 9.8 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-15 |
| CVE-2026-97016 Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized at... |
critical | 9.8 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-15 |
| CVE-2026-96934 Use after free in Windows DHCP Server allows an unauthorized attacker to execute... |
critical | 9.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-16 |
| CVE-2026-96924 Untrusted pointer dereference in Windows OLE allows an unauthorized attacker to... |
critical | 9.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-16 |
| CVE-2026-96909 Heap-based buffer overflow in Windows BitLocker allows an unauthorized attacker... |
critical | 9.8 | — | Microsoft / windows 11 23h2 | 2026-10-13 | 2026-10-16 |
| CVE-2026-96864 Double free in Microsoft Failover Cluster Virtual Driver allows an unauthorized... |
critical | 9.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-96320 Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacke... |
critical | 9.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-16 |
| CVE-2026-96252 Improper verification of cryptographic signature in Active Directory Federation... |
critical | 9.1 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-20 |
| CVE-2026-96219 Out-of-bounds write in Windows Local Security Authority Subsystem Service (LSASS... |
critical | 9.8 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-16 |
| CVE-2026-96096 Heap-based buffer overflow in Windows Media Player allows an unauthorized attack... |
critical | 9.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-16 |
| CVE-2026-96113 Heap-based buffer overflow in DNS Server allows an unauthorized attacker to exec... |
critical | 9.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-16 |
| CVE-2026-88178 Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to... |
critical | 9.8 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-15 |
| CVE-2026-88156 Stack-based buffer overflow in Microsoft Office Outlook allows an unauthorized a... |
critical | 9.8 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-15 |
| CVE-2026-88102 Use after free in Windows Failover Cluster allows an unauthorized attacker to ex... |
critical | 9.8 | — | Microsoft / windows server 2019 | 2026-10-13 | 2026-10-16 |
| CVE-2026-88092 Inconsistent interpretation of http requests ('http request/response smuggling')... |
critical | 9.4 | — | Microsoft / asp.net core | 2026-10-13 | 2026-10-16 |
| CVE-2026-85928 Heap-based buffer overflow in Windows Volume Manager Extension Driver allows an... |
critical | 9.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-85818 Improper verification of cryptographic signature in Windows Schannel allows an u... |
critical | 9.0 | — | Microsoft / windows 11 23h2 | 2026-10-13 | 2026-10-16 |
| CVE-2026-85809 Remote Code Execution in Windows Routing and Remote Access Service (RRAS) allows... |
critical | 9.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-16 |
| CVE-2026-85814 Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unaut... |
critical | 9.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-16 |
| CVE-2026-85806 Integer underflow (wrap or wraparound) in Network Policy Server (NPS) allows an... |
critical | 9.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-16 |
| CVE-2026-85792 Remote Code Execution in Windows Routing and Remote Access Service (RRAS) allows... |
critical | 9.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-16 |
| CVE-2026-84015 Heap-based buffer overflow in Remote Access Point-to-Point Protocol (PPP) EAP-TL... |
critical | 9.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-19 |
| CVE-2026-83935 Heap-based buffer overflow in Microsoft XML allows an unauthorized attacker to e... |
critical | 9.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-19 |
| CVE-2026-83888 Buffer over-read in Windows CD-ROM Driver allows an unauthorized attacker to ele... |
critical | 9.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-21 |
| CVE-2026-83869 Integer underflow (wrap or wraparound) in DNS Server allows an unauthorized atta... |
critical | 9.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-16 |
| CVE-2026-83789 Heap-based buffer overflow in Windows SMB Client allows an unauthorized attacker... |
critical | 9.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70300 Untrusted pointer dereference in Microsoft Office Word allows an unauthorized at... |
critical | 9.8 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-14 |
| CVE-2026-70291 Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized at... |
critical | 9.8 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-15 |
| CVE-2026-70275 Untrusted pointer dereference in Windows CD-ROM Driver allows an unauthorized at... |
critical | 9.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70262 Heap-based buffer overflow in WebDAV allows an unauthorized attacker to elevate... |
critical | 9.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70242 Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized at... |
critical | 9.8 | — | Microsoft / 365 apps | 2026-10-13 | 2026-10-15 |
| CVE-2026-70157 Heap-based buffer overflow in Windows System Information Console allows an unaut... |
critical | 9.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70153 Heap-based buffer overflow in Microsoft PostScript Printer Driver allows an unau... |
critical | 9.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70147 Heap-based buffer overflow in Microsoft PostScript Printer Driver allows an unau... |
critical | 9.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70024 Stack-based buffer overflow in Windows Internet Information Services allows an u... |
critical | 9.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-16 |
| CVE-2026-69883 Use after free in Windows iSCSI allows an unauthorized attacker to execute code... |
critical | 9.8 | — | 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.