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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.

Published in October 2026Materially updated (Critical / KEV)
Total records
17,481
Critical
1,390
High
6,087
Medium
6,446
Low
659
Severity not reported
2,899
In CISA KEV
21

Most affected vendors (by CPE data where available): microsoft (1359), google (759), oracle (382), apple (282), ibm (149), adobe (138), apache (73), imagemagick (72), broadcom (61), freerdp (60)

CVESeverityCVSSKEVVendor / productPublishedModified
CVE-2026-105596
Heap-based buffer overflow in Microsoft Office Access allows an unauthorized att...
high 8.8 —Microsoft / 365 apps 2026-10-132026-10-15
CVE-2026-105597
Heap-based buffer overflow in Microsoft Office Access allows an unauthorized att...
high 8.8 —Microsoft / 365 apps 2026-10-132026-10-15
CVE-2026-105598
Heap-based buffer overflow in Microsoft Office Access allows an unauthorized att...
high 8.8 —Microsoft / 365 apps 2026-10-132026-10-15
CVE-2026-105599
Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized...
high 7.5 —Microsoft / 365 apps 2026-10-132026-10-15
CVE-2026-105009
Incorrect default permissions in Windows Server Update Service allows an authori...
high 7.5 —Microsoft / windows server 2012 2026-10-132026-10-26
CVE-2026-105013
Deserialization of untrusted data in Microsoft Office SharePoint allows an autho...
high 7.4 —Microsoft / sharepoint server 2026-10-132026-10-14
CVE-2026-104937
Shopware version 6.7 allows the upload of attacker‑controlled HTML files and ser...
high 8.1 —— 2026-10-132026-10-20
CVE-2026-105003
Heap-based buffer overflow in HID class driver allows an authorized attacker to...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-27
CVE-2026-105004
Out-of-bounds read in Windows Overlay Filter allows an authorized attacker to el...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-26
CVE-2026-105005
Out-of-bounds write in Windows Schannel allows an unauthorized attacker to execu...
high 8.1 —Microsoft / windows 11 26h1 2026-10-132026-10-26
CVE-2026-105007
An elevation of privilege vulnerability exists in the Network Driver Interface S...
high 8.8 —Microsoft / windows 10 1607 2026-10-132026-10-27
CVE-2026-104342
Adobe Framemaker is affected by a Use After Free vulnerability that could result...
high 7.8 —— 2026-10-132026-10-14
CVE-2026-104344
Adobe Framemaker is affected by a Heap-based Buffer Overflow vulnerability that...
high 7.8 —— 2026-10-132026-10-14
CVE-2026-104875
Ente provides end-to-end encrypted cloud services and security tools.
high 7.1 —— 2026-10-132026-10-29
CVE-2026-103966
Adobe Framemaker is affected by a Heap-based Buffer Overflow vulnerability that...
high 7.8 —— 2026-10-132026-10-14
CVE-2026-103967
Adobe Framemaker is affected by an out-of-bounds write vulnerability that could...
high 7.8 —— 2026-10-132026-10-14
CVE-2026-104340
Adobe Framemaker is affected by a Heap-based Buffer Overflow vulnerability that...
high 7.8 —— 2026-10-132026-10-14
CVE-2026-104341
Adobe Framemaker is affected by an out-of-bounds write vulnerability that could...
high 7.8 —— 2026-10-132026-10-14
CVE-2026-103569
Out-of-bounds read in Windows IKE Extension allows an unauthorized attacker to d...
high 7.5 —Microsoft / windows 10 1607 2026-10-132026-10-26
CVE-2026-103572
Improper control of generation of code ('code injection') in Visual Studio Tools...
high 8.8 —— 2026-10-132026-10-13
CVE-2026-103575
Use after free in Remote Desktop Client allows an unauthorized attacker to execu...
high 8.8 —Microsoft / windows 10 1607 2026-10-132026-10-27
CVE-2026-103577
Insecure default variable initialization in Microsoft QUIC allows an unauthorize...
high 7.5 —Microsoft / windows 11 23h2 2026-10-132026-10-27
CVE-2026-103555
Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an...
high 7.0 —Microsoft / windows 10 1607 2026-10-132026-10-27
CVE-2026-103558
Deadlock in Windows Routing and Remote Access Service (RRAS) allows an unauthori...
high 7.5 —Microsoft / windows 10 1607 2026-10-132026-10-26
CVE-2026-103565
Use after free in Windows Broadcast DVR User Service allows an authorized attack...
high 7.0 —Microsoft / windows 10 1809 2026-10-132026-10-26
CVE-2026-103568
Concurrent execution using shared resource with improper synchronization ('race...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-26
CVE-2026-102866
Improper verification of cryptographic signature in Microsoft Office SharePoint...
high 8.1 —Microsoft / sharepoint server 2026-10-132026-10-14
CVE-2026-102869
Access of resource using incompatible type ('type confusion') in .NET and Visual...
high 8.8 —— 2026-10-132026-10-14
CVE-2026-102870
Improper control of generation of code ('code injection') in ASP.NET Core allows...
high 8.8 —— 2026-10-132026-10-25
CVE-2026-103553
Out-of-bounds read in Windows Partition Management Driver allows an authorized a...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-26
CVE-2026-103554
Use after free in Windows Broadcast DVR User Service allows an authorized attack...
high 7.0 —Microsoft / windows 10 1809 2026-10-132026-10-26
CVE-2026-102857
Heap-based buffer overflow in Microsoft Office Visio allows an unauthorized atta...
high 8.8 —Microsoft / 365 apps 2026-10-132026-10-15
CVE-2026-102858
Heap-based buffer overflow in Microsoft Office OneNote allows an unauthorized at...
high 8.8 —Microsoft / microsoft 365 2026-10-132026-10-15
CVE-2026-102860
Improper access control in Microsoft Office SharePoint allows an authorized atta...
high 8.8 —Microsoft / sharepoint server 2026-10-132026-10-14
CVE-2026-102861
Missing authorization in Microsoft Office SharePoint allows an authorized attack...
high 8.8 —Microsoft / sharepoint server 2026-10-132026-10-14
CVE-2026-102862
Incorrect authorization in Microsoft Office SharePoint allows an authorized atta...
high 8.8 —Microsoft / sharepoint server 2026-10-132026-10-14
CVE-2026-102863
Improper control of generation of code ('code injection') in Microsoft Office Sh...
high 8.8 —Microsoft / sharepoint server 2026-10-132026-10-14
CVE-2026-102599
Socket.IO enables bidirectional and low-latency communication for every platform...
high 7.5 —— 2026-10-132026-10-17
CVE-2026-102849
Heap-based buffer overflow in Microsoft Office Access allows an unauthorized att...
high 8.8 —Microsoft / 365 apps 2026-10-132026-10-15
CVE-2026-102850
Heap-based buffer overflow in Microsoft Office Access allows an unauthorized att...
high 8.8 —Microsoft / 365 apps 2026-10-132026-10-15

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.