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
17,476
Critical
1,339
High
5,869
Medium
6,255
Low
648
Severity not reported
3,365
In CISA KEV
20
Most affected vendors (by CPE data where available): microsoft (1307), google (756), oracle (156), ibm (140), adobe (138), broadcom (61), langflow (57), apache (45), freerdp (42), linuxfoundation (41)
| CVE | Severity | CVSS | KEV | Vendor / product | Published | Modified |
|---|---|---|---|---|---|---|
| CVE-2026-70086 Use after free in Microsoft Windows Search Component allows an authorized attack... |
high | 7.0 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70089 Heap-based buffer overflow in Windows GDI allows an unauthorized attacker to exe... |
high | 8.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70092 Heap-based buffer overflow in Microsoft PostScript Printer Driver allows an unau... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-21 |
| CVE-2026-70076 Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker t... |
high | 7.0 | — | Microsoft / windows 11 24h2 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70079 Improper enforcement of behavioral workflow in Windows DNS allows an unauthorize... |
high | 7.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-16 |
| CVE-2026-70082 Uncaught exception in Windows DNS allows an unauthorized attacker to deny servic... |
high | 7.5 | — | Microsoft / windows server 2012 | 2026-10-13 | 2026-10-16 |
| CVE-2026-70068 Heap-based buffer overflow in Windows Client-Side Caching (CSC) Service allows a... |
high | 8.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70069 Stack-based buffer overflow in Windows DHCP Server allows an authorized attacker... |
high | 8.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70060 Heap-based buffer overflow in Windows Win32 Kernel Subsystem allows an authorize... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70062 Double free in Windows Libarchive allows an unauthorized attacker to execute cod... |
high | 8.1 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70064 Integer underflow (wrap or wraparound) in Windows Kerberos allows an authorized... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70066 Use after free in Windows DHCP Server allows an authorized attacker to elevate p... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70067 Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker t... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70054 Heap-based buffer overflow in Windows NetBIOS allows an authorized attacker to e... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70056 Use after free in Windows Update Service allows an authorized attacker to elevat... |
high | 7.0 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70058 Out-of-bounds write in Windows DHCP Server allows an unauthorized attacker to ex... |
high | 7.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70059 Heap-based buffer overflow in Windows OLE allows an authorized attacker to eleva... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70045 Use after free in Windows Work Folders allows an authorized attacker to elevate... |
high | 7.0 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-16 |
| CVE-2026-70048 Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an aut... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70049 Improper neutralization of special elements used in an sql command ('sql injecti... |
high | 8.0 | — | — | 2026-10-13 | 2026-10-13 |
| CVE-2026-70051 Access of resource using incompatible type ('type confusion') in Windows SmartSc... |
high | 7.8 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70052 Integer overflow or wraparound in Windows PowerShell allows an authorized attack... |
high | 7.8 | — | Microsoft / windows 11 23h2 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70027 Heap-based buffer overflow in Windows Subsystem for Linux allows an authorized a... |
high | 7.8 | — | Microsoft / windows 10 21h2 | 2026-10-13 | 2026-10-16 |
| CVE-2026-70031 Heap-based buffer overflow in Windows iSCSI allows an unauthorized attacker to d... |
high | 7.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-16 |
| CVE-2026-70033 Missing release of memory after effective lifetime in Remote Desktop Gateway Ser... |
high | 7.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-16 |
| CVE-2026-70035 Deserialization of untrusted data in .NET Framework allows an unauthorized attac... |
high | 8.8 | — | — | 2026-10-13 | 2026-10-22 |
| CVE-2026-70038 Use after free in Windows iSCSI allows an unauthorized attacker to execute code... |
high | 8.1 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-16 |
| CVE-2026-70021 Use after free in Windows Direct Composition allows an authorized attacker to el... |
high | 7.0 | — | Microsoft / windows 11 24h2 | 2026-10-13 | 2026-10-16 |
| CVE-2026-70023 Use after free in Windows Hyper-V allows an authorized attacker to elevate privi... |
high | 7.8 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-16 |
| CVE-2026-70026 Use after free in Windows Secure Kernel Mode allows an authorized attacker to el... |
high | 7.0 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-16 |
| CVE-2026-70010 Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elev... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-26 |
| 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-2026-70013 Use after free in Windows iSCSI allows an unauthorized attacker to execute code... |
high | 8.1 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-19 |
| CVE-2026-70014 Use after free in Windows Cryptographic Services allows an authorized attacker t... |
high | 7.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-16 |
| CVE-2026-70015 Use after free in Windows Local Security Authority Subsystem Service (LSASS) all... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-16 |
| CVE-2026-70004 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-2026-70006 Use after free in Remote Desktop Client allows an unauthorized attacker to execu... |
high | 7.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70007 Out-of-bounds write in .NET Framework allows an unauthorized attacker to execute... |
high | 8.8 | — | — | 2026-10-13 | 2026-10-22 |
| CVE-2026-70008 Integer overflow or wraparound in Windows IP Over USB Service allows an authoriz... |
high | 7.8 | — | Microsoft / windows 10 21h2 | 2026-10-13 | 2026-10-26 |
| CVE-2026-69992 Use after free in Windows Remote Desktop Services allows an unauthorized attacke... |
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.