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-2026-102225 Out-of-bounds read in Windows Text Shaping allows an unauthorized attacker to ex... |
high | 8.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-26 |
| CVE-2026-102227 Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an aut... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-26 |
| CVE-2026-83924 Use after free in Windows Kernel allows an authorized attacker to elevate privil... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-26 |
| CVE-2026-83927 Improper link resolution before file access ('link following') in Windows Regist... |
high | 7.8 | — | Microsoft / windows 10 21h2 | 2026-10-13 | 2026-10-26 |
| CVE-2026-83928 Out-of-bounds write in Windows Local Security Authority Subsystem Service (LSASS... |
high | 8.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-26 |
| CVE-2026-83929 Out-of-bounds write in Windows GDI allows an unauthorized attacker to execute co... |
high | 8.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-26 |
| CVE-2026-83930 Use after free in Windows Update Orchestrator Service allows an authorized attac... |
high | 7.0 | — | Microsoft / windows 11 23h2 | 2026-10-13 | 2026-10-26 |
| CVE-2026-83931 Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to e... |
high | 7.8 | — | Microsoft / windows 11 23h2 | 2026-10-13 | 2026-10-26 |
| CVE-2026-83932 Heap-based buffer overflow in Windows Group Policy allows an authorized attacker... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-26 |
| CVE-2026-69673 Improper link resolution before file access ('link following') in Windows Update... |
high | 7.8 | — | Microsoft / windows 11 23h2 | 2026-10-13 | 2026-10-23 |
| CVE-2026-69718 Improper neutralization of special elements used in a command ('command injectio... |
high | 7.8 | — | Microsoft / windows 11 23h2 | 2026-10-13 | 2026-10-23 |
| CVE-2026-69733 Untrusted search path in Windows Update allows an authorized attacker to elevate... |
high | 7.8 | — | Microsoft / windows 11 23h2 | 2026-10-13 | 2026-10-23 |
| CVE-2026-108132 Double free in Windows Kerberos allows an authorized attacker to elevate privile... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-23 |
| CVE-2026-108135 Improper link resolution before file access ('link following') in Windows Backup... |
high | 7.0 | — | Microsoft / windows 10 21h2 | 2026-10-13 | 2026-10-23 |
| CVE-2026-108136 Use after free in Microsoft Windows Search Component allows an authorized attack... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-23 |
| CVE-2026-108396 Time-of-check time-of-use (toctou) race condition in Windows Modern Device Manag... |
high | 7.0 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-23 |
| CVE-2026-83862 Use after free in Windows Network Load Balancing allows an unauthorized attacker... |
high | 8.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-23 |
| CVE-2026-68836 Heap-based buffer overflow in Windows kernel32.dll allows an authorized attacker... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-23 |
| CVE-2026-69326 Heap-based buffer overflow in Graphic Fonts allows an unauthorized attacker to e... |
high | 8.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-23 |
| CVE-2026-69354 Heap-based buffer overflow in Windows Error Reporting allows an authorized attac... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-23 |
| CVE-2026-69363 Heap-based buffer overflow in Windows Error Reporting allows an authorized attac... |
high | 8.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-23 |
| CVE-2026-69387 Use after free in Windows Error Reporting allows an authorized attacker to eleva... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-23 |
| CVE-2026-69452 Use after free in Windows Enterprise App Management allows an authorized attacke... |
high | 7.1 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-23 |
| CVE-2026-69471 Heap-based buffer overflow in Windows Installer allows an authorized attacker to... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-23 |
| CVE-2026-69521 Integer overflow or wraparound in Windows iSCSI allows an unauthorized attacker... |
high | 8.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-23 |
| CVE-2026-96251 Reliance on untrusted inputs in a security decision in Microsoft PowerShell allo... |
high | 8.8 | — | Microsoft / powershell | 2026-10-13 | 2026-10-22 |
| CVE-2026-96959 Allocation of resources without limits or throttling in .NET allows an unauthori... |
high | 7.5 | — | Microsoft / .net | 2026-10-13 | 2026-10-22 |
| CVE-2026-96960 Asymmetric resource consumption (amplification) in .NET allows an unauthorized a... |
high | 7.5 | — | Microsoft / .net | 2026-10-13 | 2026-10-22 |
| CVE-2026-96957 Improper verification of cryptographic signature in .NET allows an unauthorized... |
high | 8.8 | — | Microsoft / .net | 2026-10-13 | 2026-10-22 |
| CVE-2026-96958 Inefficient algorithmic complexity in .NET allows an unauthorized attacker to de... |
high | 7.5 | — | Microsoft / .net | 2026-10-13 | 2026-10-22 |
| CVE-2026-96222 Improper certificate validation in Active Directory Federation Services (AD FS)... |
high | 7.4 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-22 |
| CVE-2026-96912 Use after free in Windows Client License Service allows an authorized attacker t... |
high | 7.8 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-22 |
| CVE-2026-96911 Improper link resolution before file access ('link following') in Microsoft Wind... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-22 |
| CVE-2026-96914 Integer overflow or wraparound in Windows Virtualization-Based Security (VBS) En... |
high | 8.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-22 |
| CVE-2026-96913 Heap-based buffer overflow in Windows Kernel allows an authorized attacker to el... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-22 |
| CVE-2026-70108 Heap-based buffer overflow in Windows Win32 Kernel Subsystem allows an authorize... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-22 |
| CVE-2026-70111 Untrusted pointer dereference in Windows Kernel allows an unauthorized attacker... |
high | 8.1 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-22 |
| CVE-2026-70114 Heap-based buffer overflow in Windows Kernel allows an authorized attacker to el... |
high | 7.8 | — | Microsoft / windows 11 23h2 | 2026-10-13 | 2026-10-22 |
| CVE-2026-70117 Heap-based buffer overflow in Windows Win32 Kernel Subsystem allows an authorize... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-22 |
| CVE-2026-70121 Heap-based buffer overflow in Windows Kernel allows an authorized attacker to el... |
high | 7.8 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-22 |
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.