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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
11,186
Critical
1,210
High
4,308
Medium
4,071
Low
456
Severity not reported
1,141
In CISA KEV
59

Most affected vendors (by CPE data where available): microsoft (945), google (605), oracle (274), apple (244), adobe (197), dell (137), ibm (104), arubanetworks (101), mongodb (64), apache (53)

CVESeverityCVSSKEVVendor / productPublishedModified
CVE-2026-13466
Incorrect calculation of buffer size vulnerability in Altera Trusted Firmware on...
high 8.1 —— 2026-09-242026-09-24
CVE-2026-13467
Out-of-bounds write vulnerability in Altera Trusted Firmware on HPS allows Explo...
high 8.1 —— 2026-09-242026-09-24
CVE-2026-58004
Out-of-bounds read vulnerability in Altera Trusted Firmware on HPS allows Privil...
high 8.1 —— 2026-09-242026-09-24
CVE-2026-58005
Out-of-bounds read vulnerability in Altera Trusted Firmware on HPS allows Privil...
high 8.1 —— 2026-09-242026-09-24
CVE-2026-58006
Untrusted pointer dereference vulnerability in Altera Trusted Firmware on HPS al...
high 8.1 —— 2026-09-242026-09-24
CVE-2026-58007
Untrusted pointer dereference vulnerability in Altera Trusted Firmware on HPS al...
high 8.1 —— 2026-09-242026-09-24
CVE-2026-58008
Stack-based buffer overflow vulnerability in Altera Trusted Firmware on HPS allo...
high 8.1 —— 2026-09-242026-09-24
CVE-2026-95985
The file write tool in Amazon Kiro IDE versions before 1.0.242 might allow remot...
high 8.8 —— 2026-09-242026-09-24
CVE-2026-55294
In ihevcd_get_tu_data_size of ihevcd_utils.c, there is a possible out of bounds...
high 7.8 —Google / android 2026-09-082026-09-24
CVE-2026-69397
Use after free in OpenSSH for Windows allows an unauthorized attacker to execute...
high 7.5 —Microsoft / windows 10 1809 2026-09-082026-09-24
CVE-2026-69398
Concurrent execution using shared resource with improper synchronization ('race...
high 7.0 —Microsoft / windows 10 1809 2026-09-082026-09-24
CVE-2026-75743
Adobe Experience Manager Forms JEE is affected by a Cross-Site Request Forgery (...
high 7.1 —— 2026-09-222026-09-24
CVE-2026-69429
Heap-based buffer overflow in Windows IKE Extension allows an authorized attacke...
high 7.5 —Microsoft / windows 10 1809 2026-09-082026-09-24
CVE-2026-69430
Use after free in Windows Embedded Mode Service allows an authorized attacker to...
high 7.0 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-69809
Missing release of memory after effective lifetime in Active Directory Domain Se...
high 7.5 —Microsoft / windows 11 23h2 2026-09-082026-09-24
CVE-2026-69801
Heap-based buffer overflow in Windows Audio Service allows an authorized attacke...
high 7.8 —Microsoft / windows 10 1809 2026-09-082026-09-24
CVE-2026-69799
Concurrent execution using shared resource with improper synchronization ('race...
high 7.8 —Microsoft / windows 10 21h2 2026-09-082026-09-24
CVE-2026-69563
Heap-based buffer overflow in Windows Program Compatibility Assistant Service al...
high 7.0 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-58874
In multiple functions of SmsController.java, there is a possible escalation of p...
high 7.8 —Google / android 2026-09-082026-09-24
CVE-2026-69553
Missing authorization in Windows Hyper-V allows an authorized attacker to elevat...
high 7.5 —Microsoft / windows 10 1809 2026-09-082026-09-24
CVE-2026-69544
Heap-based buffer overflow in Windows SMB Client allows an authorized attacker t...
high 7.8 —Microsoft / windows 11 26h1 2026-09-082026-09-24
CVE-2026-69542
Heap-based buffer overflow in Windows Camera Frame Server Monitor allows an auth...
high 7.8 —Microsoft / windows 11 24h2 2026-09-082026-09-24
CVE-2026-69540
Use after free in Windows Audio Service allows an authorized attacker to elevate...
high 7.0 —Microsoft / windows 10 1809 2026-09-082026-09-24
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-2026-68877
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-2026-68896
Absolute path traversal in Microsoft Windows Search Component allows an authoriz...
high 7.8 —Microsoft / windows 11 23h2 2026-09-082026-09-24
CVE-2026-58941
In multiple functions of iommu.c, there is a possible out of bounds read/write d...
high 7.8 —Google / android 2026-09-082026-09-24
CVE-2026-19201
An uncontrolled recursion vulnerability in the Windows SIPA event log parser of...
high 7.5 —Google / go-attestation 2026-09-092026-09-24
CVE-2026-69280
Use after free in Windows Push Notifications allows an authorized attacker to el...
high 7.0 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-91122
Discourse is an open-source discussion platform.
high 8.7 —— 2026-09-242026-09-24
CVE-2026-91123
Discourse is an open-source discussion platform.
high 7.2 —— 2026-09-242026-09-24
CVE-2026-78512
Numeric truncation error in Microsoft Office Word allows an unauthorized attacke...
high 8.8 —Microsoft / 365 apps 2026-09-082026-09-24
CVE-2026-69732
Heap-based buffer overflow in Windows Link Layer Topology Discovery Protocol all...
high 8.1 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-69535
Numeric truncation error in Windows Spaceport.sys allows an authorized attacker...
high 7.8 —Microsoft / windows 10 21h2 2026-09-082026-09-24
CVE-2026-69534
Improper neutralization of special elements used in a command ('command injectio...
high 7.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-69300
Use after free in Windows Push Notifications allows an authorized attacker to el...
high 7.0 —Microsoft / windows 11 23h2 2026-09-082026-09-24
CVE-2026-69383
External control of file name or path in Windows Shell allows an authorized atta...
high 7.0 —Microsoft / windows 11 23h2 2026-09-082026-09-24
CVE-2026-58820
In multiple locations, there is a possible memory safety issue due to integer ov...
high 7.8 —Google / android 2026-09-082026-09-24
CVE-2026-58823
In stpropnci_process_std of stpropnci_std.cc, there is a possible memory safety...
high 7.8 —Google / android 2026-09-082026-09-24
CVE-2026-58839
In forEachLine of MountRegistry.cpp, there is a possible out of bounds read due...
high 7.8 —Google / android 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.