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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-2026-72953
Heap-based buffer overflow in Windows USB Driver allows an authorized attacker t...
high 7.8 —Microsoft / windows 10 21h2 2026-09-082026-09-21
CVE-2026-72954
Use after free in Windows Deployment Services allows an authorized attacker to e...
high 7.5 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-72941
Heap-based buffer overflow in Windows Biometric Service allows an authorized att...
high 7.8 —Microsoft / windows 10 1607 2026-09-082026-09-11
CVE-2026-72943
Use after free in Windows Deployment Services allows an authorized attacker to e...
high 7.5 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-72944
Heap-based buffer overflow in Windows Fax Service allows an authorized attacker...
high 7.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-72946
Heap-based buffer overflow in Storage Port Driver allows an authorized attacker...
high 7.8 —Microsoft / windows 11 24h2 2026-09-082026-09-22
CVE-2026-72936
Use after free in Windows SMB Client allows an unauthorized attacker to execute...
high 8.1 —Microsoft / windows 11 23h2 2026-09-082026-09-22
CVE-2026-72940
Heap-based buffer overflow in Windows Schannel allows an unauthorized attacker t...
high 8.8 —Microsoft / windows 11 23h2 2026-09-082026-09-22
CVE-2026-72928
Use after free in Windows DNS allows an authorized attacker to execute code over...
high 7.5 —Microsoft / windows server 2025 2026-09-082026-09-16
CVE-2026-72929
Improper validation of integrity check value in Windows Installer allows an auth...
high 7.8 —Microsoft / windows 11 23h2 2026-09-082026-09-22
CVE-2026-72930
Use after free in Windows Secure Socket Tunneling Protocol (SSTP) allows an auth...
high 7.0 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-72932
Buffer over-read in Windows Message Queuing Queue Manager allows an unauthorized...
high 7.5 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-72933
Heap-based buffer overflow in Microsoft WDAC OLE DB provider for SQL allows an u...
high 8.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-71353
Double free in Windows Routing and Remote Access Service (RRAS) allows an author...
high 7.0 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-72923
The OpenAPI.NET SDK contains a useful object model for OpenAPI documents in .NET...
high 7.5 —— 2026-09-082026-10-14
CVE-2026-72926
Use after free in Windows Internet Connection Sharing (ICS) allows an authorized...
high 7.0 —Microsoft / windows 10 1607 2026-09-082026-09-22
CVE-2026-72927
Heap-based buffer overflow in Winsock allows an authorized attacker to elevate p...
high 7.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-71351
Double free in Windows Routing and Remote Access Service (RRAS) allows an author...
high 7.0 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-71352
Integer underflow (wrap or wraparound) in Windows Remote Access Connection Manag...
high 8.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-71342
Use after free in Windows Remote Access Connection Manager allows an authorized...
high 7.0 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-71343
Heap-based buffer overflow in Windows Remote Access Connection Manager allows an...
high 7.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-71345
Out-of-bounds write in Windows Spaceport.sys allows an authorized attacker to ex...
high 7.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-71334
Heap-based buffer overflow in Windows NFS Portmapper allows an authorized attack...
high 7.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-71336
Integer overflow or wraparound in Windows Work Folder Service allows an authoriz...
high 8.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-71337
Stack-based buffer overflow in Windows Storage Management Provider allows an aut...
high 7.8 —Microsoft / windows 10 21h2 2026-09-082026-09-15
CVE-2026-71340
Use after free in Windows File History Service allows an authorized attacker to...
high 7.0 —Microsoft / windows 10 1607 2026-09-082026-09-15
CVE-2026-71328
Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to e...
high 8.8 —Microsoft / visual studio 2022 2026-09-082026-09-11
CVE-2026-71330
Exposure of sensitive system information to an unauthorized control sphere in Wi...
high 7.5 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-71332
Use after free in Windows Secure Socket Tunneling Protocol (SSTP) allows an auth...
high 7.0 —Microsoft / windows 10 1607 2026-09-082026-09-16
CVE-2026-71333
Use after free in Windows Remote Access Connection Manager allows an authorized...
high 7.0 —Microsoft / windows 10 1607 2026-09-082026-09-24
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-2026-70584
Access of resource using incompatible type ('type confusion') in Windows Core Me...
high 7.8 —Microsoft / windows 10 1607 2026-09-082026-09-23
CVE-2026-70585
Use after free in Windows Services for NFS ONCRPC XDR Driver allows an authorize...
high 7.0 —Microsoft / windows server 2012 2026-09-082026-09-24
CVE-2026-70586
Heap-based buffer overflow in Windows Paint allows an unauthorized attacker to e...
high 8.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-70587
Improper null termination in Windows Remote Desktop Protocol allows an unauthori...
high 7.5 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-70573
Heap-based buffer overflow in Windows Biometric Service allows an authorized att...
high 7.0 —Microsoft / windows 10 1607 2026-09-082026-09-11
CVE-2026-70574
Out-of-bounds read in Virtual Hard Disk (VHD) Miniport Driver allows an authoriz...
high 7.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-70577
Use after free in Windows Modern Device Management (MDM) allows an authorized at...
high 7.0 —Microsoft / windows 10 1809 2026-09-082026-09-24
CVE-2026-70578
Heap-based buffer overflow in Windows Credential Guard allows an authorized atta...
high 7.0 —Microsoft / windows 10 21h2 2026-09-082026-09-24
CVE-2026-70579
Out-of-bounds read in Windows Mobile Broadband allows an unauthorized attacker t...
high 7.5 —Microsoft / windows 10 21h2 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.