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September 2026 CVE archive

Records published in NIST NVD between Sep 1 and Sep 30, 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 September 2026Materially updated (Critical / KEV)
Total records
15,074
Critical
1,387
High
5,790
Medium
4,833
Low
527
Severity not reported
2,537
In CISA KEV
32

Most affected vendors (by CPE data where available): microsoft (995), google (652), oracle (309), apple (245), ibm (229), adobe (213), mozilla (191), dell (185), arubanetworks (100), linux (88)

CVESeverityCVSSKEVVendor / productPublishedModified
CVE-2026-69277
Stack-based buffer overflow in Microsoft Local Security Authority Server (lsasrv...
high 7.8 —Microsoft / windows 10 1607 2026-09-082026-09-30
CVE-2026-69273
Improper access control in Microsoft Office SharePoint allows an authorized atta...
high 8.8 —Microsoft / sharepoint server 2026-09-082026-09-09
CVE-2026-69274
Use after free in Windows Win32K allows an authorized attacker to elevate privil...
high 7.1 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-69275
Use after free in Kernel Streaming WOW Thunk Service Driver allows an authorized...
high 7.0 —Microsoft / windows 10 1607 2026-09-082026-09-30
CVE-2026-69268
Improper access control in Microsoft Office SharePoint allows an authorized atta...
high 8.8 —Microsoft / sharepoint server 2026-09-082026-09-09
CVE-2026-69269
Integer underflow (wrap or wraparound) in Microsoft Standard XPS allows an autho...
high 7.8 —Microsoft / windows 10 1607 2026-09-082026-09-30
CVE-2026-69270
Heap-based buffer overflow in Windows USB Audio Class driver (usbaudio.sys) allo...
high 7.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-69271
Heap-based buffer overflow in Microsoft Standard XPS allows an authorized attack...
high 8.0 —Microsoft / windows 10 1607 2026-09-082026-09-30
CVE-2026-69272
Heap-based buffer overflow in Microsoft Standard XPS allows an authorized attack...
high 7.1 —Microsoft / windows 10 1607 2026-09-082026-09-30
CVE-2026-68896
Absolute path traversal in Microsoft Windows Search Component allows an authoriz...
high 7.8 —Microsoft / windows 11 23h2 2026-09-082026-09-24
CVE-2026-68897
Heap-based buffer overflow in Microsoft Standard XPS allows an authorized attack...
high 7.0 —Microsoft / windows 10 1607 2026-09-082026-09-30
CVE-2026-69265
Out-of-bounds read in Windows NTFS allows an authorized attacker to elevate priv...
high 7.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-69266
Integer overflow or wraparound in Windows DHCP Server allows an unauthorized att...
high 8.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-68892
Heap-based buffer overflow in Microsoft Standard XPS allows an authorized attack...
high 7.8 —Microsoft / windows 10 1607 2026-09-082026-09-30
CVE-2026-68893
Use after free in Windows Remote Desktop Licensing Service allows an authorized...
high 7.1 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-68894
Heap-based buffer overflow in Windows Error Reporting allows an authorized attac...
high 8.0 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-68887
Out-of-bounds read in Windows Message Queuing Queue Manager allows an unauthoriz...
high 7.5 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-68888
Heap-based buffer overflow in Microsoft Standard XPS allows an authorized attack...
high 7.8 —Microsoft / windows 10 1607 2026-09-082026-09-29
CVE-2026-68889
Heap-based buffer overflow in Microsoft Standard XPS allows an authorized attack...
high 7.1 —Microsoft / windows 10 1607 2026-09-082026-09-30
CVE-2026-68890
Heap-based buffer overflow in Microsoft Standard XPS allows an authorized attack...
high 7.8 —Microsoft / windows 10 1607 2026-09-082026-09-30
CVE-2026-68878
Stack-based buffer overflow in Windows Fast FAT Driver allows an authorized atta...
high 8.0 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-68880
Heap-based buffer overflow in Windows Win32K allows an authorized attacker to el...
high 8.0 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-68884
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to el...
high 7.0 —Microsoft / windows 10 1607 2026-09-082026-09-14
CVE-2026-68885
Heap-based buffer overflow in Microsoft Standard XPS allows an authorized attack...
high 7.8 —Microsoft / windows 10 1607 2026-09-082026-09-29
CVE-2026-68875
Buffer over-read in Windows NTFS allows an authorized attacker to execute code l...
high 7.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-68876
Heap-based buffer overflow in Windows Program Compatibility Assistant Service al...
high 8.0 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-68877
Heap-based buffer overflow in Windows Storage Spaces Controller allows an author...
high 7.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-68847
Use after free in Windows Connected User Experiences and Telemetry allows an aut...
high 7.0 —Microsoft / windows 10 21h2 2026-09-082026-09-17
CVE-2026-68848
Heap-based buffer overflow in Windows Print Spooler Components allows an authori...
high 7.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-68850
Heap-based buffer overflow in Microsoft Account allows an authorized attacker to...
high 7.8 —Microsoft / windows 11 24h2 2026-09-082026-09-29
CVE-2026-68844
Heap-based buffer overflow in Windows Storage Spaces Controller allows an author...
high 7.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-68845
Heap-based buffer overflow in Windows Program Compatibility Assistant Service al...
high 7.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-68846
Use after free in Windows Kernel allows an authorized attacker to elevate privil...
high 7.1 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-68835
Use after free in Windows Print Spooler Components allows an authorized attacker...
high 7.1 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-68837
Use after free in Windows File History Service allows an authorized attacker to...
high 7.0 —Microsoft / windows 10 1607 2026-09-082026-09-17
CVE-2026-68838
Stack-based buffer overflow in Windows NTFS allows an authorized attacker to ele...
high 8.0 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-68840
Concurrent execution using shared resource with improper synchronization ('race...
high 7.0 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-68841
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elev...
high 7.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-68832
Integer overflow or wraparound in Windows NTFS allows an authorized attacker to...
high 7.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-68834
Stack-based buffer overflow in Windows NTFS allows an authorized attacker to ele...
high 8.0 —Microsoft / windows 10 1607 2026-09-082026-09-24

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.