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September 2026 CVE archive

Records last modified 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. The modified view only includes records that were CRITICAL or CISA-KEV-listed when imported — it is not a complete list of every modification.

Published in September 2026Materially updated (Critical / KEV)
Total records
11,364
Critical
1,230
High
4,374
Medium
4,126
Low
462
Severity not reported
1,172
In CISA KEV
59

Most affected vendors (by CPE data where available): microsoft (964), google (608), oracle (274), apple (244), adobe (197), dell (138), ibm (104), arubanetworks (101), mongodb (64), apache (56)

CVESeverityCVSSKEVVendor / productPublishedModified
CVE-2026-77908
Improper control of generation of code ('code injection') in Microsoft Dynamics...
high 8.8 —Microsoft / dynamics 365 2026-09-082026-09-29
CVE-2026-69605
Use after free in Microsoft Install Service allows an authorized attacker to ele...
high 7.0 —Microsoft / windows 10 21h2 2026-09-082026-09-29
CVE-2026-85921
Double free in Windows Secure Kernel Mode allows an authorized attacker to eleva...
high 8.2 —Microsoft / windows 11 26h1 2026-09-142026-09-29
CVE-2026-69611
Use after free in Virtual Hard Disk (VHD) Miniport Driver allows an authorized a...
high 7.0 —Microsoft / windows 10 1607 2026-09-082026-09-29
CVE-2026-69365
Out-of-bounds read in Microsoft Local Security Authority Server (lsasrv) allows...
high 8.0 —Microsoft / windows 10 21h2 2026-09-082026-09-29
CVE-2026-56198
Out-of-bounds read in Microsoft Trace Data Helper allows an authorized attacker...
high 7.8 —Microsoft / windows 11 24h2 2026-09-082026-09-29
CVE-2026-68828
Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attac...
high 8.8 —Microsoft / windows 10 1607 2026-09-082026-09-29
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-2026-68885
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-2026-68888
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-2026-69378
Uncontrolled recursion in Microsoft Exchange Server allows an unauthorized attac...
high 7.5 —Microsoft / exchange server 2026-09-082026-09-29
CVE-2026-69380
Missing authorization in Microsoft Exchange Server allows an authorized attacker...
high 8.1 —Microsoft / exchange server 2026-09-082026-09-29
CVE-2026-69401
Use after free in Audio Video Control Transport Protocol allows an authorized at...
high 7.0 —Microsoft / windows 11 24h2 2026-09-082026-09-29
CVE-2026-69407
Integer overflow or wraparound in Volume Manager Driver allows an authorized att...
high 7.8 —Microsoft / windows 10 1607 2026-09-082026-09-29
CVE-2026-69418
Heap-based buffer overflow in Volume Manager Driver allows an authorized attacke...
high 8.0 —Microsoft / windows 10 1607 2026-09-082026-09-29
CVE-2026-69432
Heap-based buffer overflow in Volume Manager Driver allows an authorized attacke...
high 7.8 —Microsoft / windows 10 1607 2026-09-082026-09-29
CVE-2026-69438
Incorrect conversion between numeric types in Microsoft JScript allows an unauth...
high 8.1 —Microsoft / windows 10 1607 2026-09-082026-09-29
CVE-2026-69806
Exposure of sensitive information to an unauthorized actor in .NET allows an aut...
high 7.0 —Microsoft / .net 2026-09-082026-09-29
CVE-2026-69439
Heap-based buffer overflow in .NET and Visual Studio allows an unauthorized atta...
high 8.8 —Microsoft / .net 2026-09-082026-09-29
CVE-2026-69485
Use of uninitialized resource in Remote Desktop Client allows an authorized atta...
high 8.8 —Microsoft / windows 10 1607 2026-09-082026-09-29
CVE-2026-69516
Use after free in Connected Devices Platform Service (Cdpsvc) allows an authoriz...
high 7.0 —Microsoft / windows 10 1809 2026-09-082026-09-29
CVE-2026-69530
Use after free in Reliable Multicast Transport Driver (RMCAST) allows an unautho...
high 8.1 —Microsoft / windows 10 1809 2026-09-082026-09-29
CVE-2026-69384
Null pointer dereference in Virtual Hard Disk (VHD) Miniport Driver allows an un...
high 7.1 —Microsoft / windows 10 1607 2026-09-082026-09-29
CVE-2026-70583
Heap-based buffer overflow in Windows Core Messaging allows an authorized attack...
high 7.8 —Microsoft / windows 10 1607 2026-09-082026-09-28
CVE-2026-77505
Use after free in DNS Server allows an unauthorized attacker to execute code ove...
high 8.1 —Microsoft / windows 10 1607 2026-09-082026-09-28
CVE-2026-77896
Integer overflow or wraparound in Remote Desktop Client allows an unauthorized a...
high 7.5 —Microsoft / windows 10 1607 2026-09-082026-09-28
CVE-2026-69499
Integer overflow or wraparound in Windows Imaging Component allows an unauthoriz...
high 8.8 —Microsoft / windows 10 1607 2026-09-082026-09-28
CVE-2026-69498
Use after free in Windows Win32K allows an authorized attacker to elevate privil...
high 7.0 —Microsoft / windows 10 1809 2026-09-082026-09-28
CVE-2026-85887
Incorrect permission assignment for critical resource in M365 Copilot allows an...
high 7.7 —Microsoft / 365 copilot 2026-09-182026-09-28
CVE-2026-62744
Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unaut...
high 8.8 —Microsoft / windows 11 24h2 2026-09-082026-09-28
CVE-2026-69459
Heap-based buffer overflow in Windows Power Dependency Coordinator allows an aut...
high 7.8 —Microsoft / windows 10 1809 2026-09-082026-09-28
CVE-2026-69460
Use after free in Windows Modern Device Management (MDM) allows an authorized at...
high 7.1 —Microsoft / windows 10 1809 2026-09-082026-09-28
CVE-2026-69462
Heap-based buffer overflow in Windows Error Reporting allows an authorized attac...
high 8.0 —Microsoft / windows 10 1607 2026-09-082026-09-28
CVE-2026-69468
Heap-based buffer overflow in Windows Volume Manager Extension Driver allows an...
high 7.0 —Microsoft / windows 10 1607 2026-09-082026-09-28
CVE-2026-69470
Use after free in Windows Connected User Experiences and Telemetry allows an aut...
high 7.0 —Microsoft / windows 10 1607 2026-09-082026-09-28
CVE-2026-69472
Use after free in Windows Devices Human Interface allows an authorized attacker...
high 7.0 —Microsoft / windows 10 1607 2026-09-082026-09-28
CVE-2026-69478
Heap-based buffer overflow in Windows Device Association Service allows an autho...
high 7.8 —Microsoft / windows 10 1607 2026-09-082026-09-28
CVE-2026-69480
Heap-based buffer overflow in Windows Partition Management Driver allows an auth...
high 7.8 —Microsoft / windows 10 21h2 2026-09-082026-09-28
CVE-2026-69481
Heap-based buffer overflow in Windows Enterprise App Management allows an author...
high 8.0 —Microsoft / windows 10 1607 2026-09-082026-09-28
CVE-2026-69482
Creation of temporary file in directory with insecure permissions in Windows Err...
high 7.1 —Microsoft / windows 10 1607 2026-09-082026-09-28

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.