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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
4,826
Low
527
Severity not reported
2,544
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), apache (88)

CVESeverityCVSSKEVVendor / productPublishedModified
CVE-2026-85878
Improper authorization in Azure Database for PostgreSQL allows an authorized att...
critical 9.9 —Microsoft / azure horizondb 2026-09-182026-09-25
CVE-2026-69843
Authentication bypass by spoofing in Microsoft Fabric allows an unauthorized att...
critical 10.0 —Microsoft / fabric 2026-09-182026-09-25
CVE-2026-62874
Insufficient verification of data authenticity in Azure Billing allows an unauth...
critical 9.8 —Microsoft / azure billing 2026-09-182026-10-07
CVE-2026-85889
Missing authentication for critical function in Azure AI Foundry allows an unaut...
critical 9.8 —Microsoft / azure ai foundry 2026-09-172026-09-25
CVE-2026-87701
Improper neutralization of special elements in output used by a downstream compo...
critical 9.6 —Microsoft / azure cosmos db 2026-09-172026-09-29
CVE-2026-83944
Improper access control in Azure Logic Apps allows an unauthorized attacker to e...
critical 9.1 —Microsoft / azure logic apps 2026-09-172026-09-25
CVE-2026-70200
Improper limitation of a pathname to a restricted directory ('path traversal') i...
critical 9.8 —Microsoft / azure logic apps 2026-09-172026-09-25
CVE-2026-70009
Improper limitation of a pathname to a restricted directory ('path traversal') i...
critical 9.8 —Microsoft / azure arc 2026-09-172026-09-25
CVE-2026-69865
Authorization bypass through user-controlled key in Microsoft Container Registry...
critical 10.0 —Microsoft / azure container registry 2026-09-172026-09-29
CVE-2026-69399
Azure Arc Elevation of Privilege Vulnerability
critical 9.8 —Microsoft / azure arc 2026-09-172026-09-25
CVE-2026-66302
External control of file name or path in Skype for Business allows an unauthoriz...
critical 9.8 —Microsoft / skype for business server 2026-09-082026-09-16
CVE-2026-81376
Incomplete comparison with missing factors in Visual Studio Code allows an unaut...
critical 9.6 —Microsoft / visual studio code 2026-09-082026-09-11
CVE-2026-78509
Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized at...
critical 9.8 —Microsoft / 365 apps 2026-09-082026-09-17
CVE-2026-78445
Use after free in Windows Services for NFS ONCRPC XDR Driver allows an unauthori...
critical 9.8 —Microsoft / windows server 2012 2026-09-082026-09-24
CVE-2026-77493
Double free in Microsoft Graphics Component allows an unauthorized attacker to e...
critical 9.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-73025
Weak authentication in Windows iSCSI allows an unauthorized attacker to bypass a...
critical 9.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-73009
Use after free in Windows Secure Socket Tunneling Protocol (SSTP) allows an unau...
critical 9.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-73010
Use after free in Windows Failover Cluster allows an unauthorized attacker to ex...
critical 9.8 —Microsoft / windows 10 1809 2026-09-082026-09-17
CVE-2026-72983
Use after free in Windows Internet Connection Sharing (ICS) allows an unauthoriz...
critical 9.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-72979
Use after free in Windows DHCP Server allows an unauthorized attacker to execute...
critical 9.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-72982
Stack-based buffer overflow in Windows Netlogon allows an unauthorized attacker...
critical 9.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-72950
Remote Code Execution in Windows Routing and Remote Access Service (RRAS) allows...
critical 9.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-70296
Out-of-bounds write in Windows Imaging Component allows an unauthorized attacker...
critical 9.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-69910
Stack-based buffer overflow in Windows Hyper-V allows an unauthorized attacker t...
critical 9.8 —Microsoft / windows 10 1607 2026-09-082026-09-16
CVE-2026-69845
Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacke...
critical 9.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-69824
Integer underflow (wrap or wraparound) in Microsoft Standard XPS allows an unaut...
critical 9.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-69829
Heap-based buffer overflow in Windows Shell allows an unauthorized attacker to e...
critical 9.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-69819
Out-of-bounds write in RPC Runtime allows an unauthorized attacker to execute co...
critical 9.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-69769
Heap-based buffer overflow in Windows HTTP Print Provider allows an unauthorized...
critical 9.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-69768
Heap-based buffer overflow in Windows RNDIS allows an unauthorized attacker to e...
critical 9.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-69730
Use after free in Windows DNS allows an unauthorized attacker to execute code ov...
critical 9.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-69715
Out-of-bounds read in Windows Direct Show allows an unauthorized attacker to exe...
critical 9.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-69641
Missing authorization in Microsoft Exchange Server allows an authorized attacker...
critical 9.1 —Microsoft / exchange server 2026-09-082026-09-22
CVE-2026-69595
Use after free in Windows Services for NFS ONCRPC XDR Driver allows an unauthori...
critical 9.8 —Microsoft / windows server 2012 2026-09-082026-09-24
CVE-2026-69590
Remote Code Execution in Windows Routing and Remote Access Service (RRAS) allows...
critical 9.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-69586
Integer overflow or wraparound in Microsoft Windows PDF allows an unauthorized a...
critical 9.8 —Microsoft / windows 10 1607 2026-09-082026-09-21
CVE-2026-69579
Use after free in Windows Message Queuing allows an unauthorized attacker to exe...
critical 9.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-69525
Use after free in Windows Remote Desktop Services allows an unauthorized attacke...
critical 9.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-69496
Heap-based buffer overflow in Windows Compressed Folder allows an unauthorized a...
critical 9.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-69491
Heap-based buffer overflow in Windows Microsoft DirectMusic allows an unauthoriz...
critical 9.8 —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.