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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
11,290
Critical
1,223
High
4,344
Medium
4,103
Low
460
Severity not reported
1,160
In CISA KEV
59

Most affected vendors (by CPE data where available): microsoft (945), google (608), oracle (274), apple (244), adobe (197), dell (138), ibm (104), arubanetworks (101), mongodb (64), apache (56)

CVESeverityCVSSKEVVendor / productPublishedModified
CVE-2026-78505
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker t...
high 8.8 —Microsoft / 365 apps 2026-09-082026-09-17
CVE-2026-77901
Null pointer dereference in Microsoft Office Word allows an unauthorized attacke...
high 8.8 —Microsoft / 365 apps 2026-09-082026-09-17
CVE-2026-78439
Stack-based buffer overflow in Microsoft Graphics Component allows an unauthoriz...
high 8.8 —— 2026-09-082026-09-17
CVE-2026-77898
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker t...
high 7.5 —Microsoft / 365 apps 2026-09-082026-09-17
CVE-2026-76869
Netcore NR255-V version 1.5.130703 contains a stack-based buffer overflow in reb...
high 7.2 —— 2026-09-152026-09-17
CVE-2026-76646
A remote attacker could cause excessive resource consumption by supplying specia...
high 7.5 —— 2026-09-162026-09-17
CVE-2026-72972
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attac...
high 8.8 —Microsoft / 365 apps 2026-09-082026-09-17
CVE-2026-72973
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attac...
high 8.8 —Microsoft / 365 apps 2026-09-082026-09-17
CVE-2026-69797
Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to...
high 8.8 —Microsoft / 365 apps 2026-09-082026-09-17
CVE-2026-69759
Stack-based buffer overflow in Microsoft Office Word allows an unauthorized atta...
high 8.8 —Microsoft / 365 apps 2026-09-082026-09-17
CVE-2026-69739
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclo...
high 7.5 —Microsoft / 365 apps 2026-09-082026-09-17
CVE-2026-69722
Stack-based buffer overflow in Microsoft Office Word allows an unauthorized atta...
high 8.8 —Microsoft / 365 apps 2026-09-082026-09-17
CVE-2026-69686
Stack-based buffer overflow in Microsoft Office Word allows an unauthorized atta...
high 8.8 —Microsoft / 365 apps 2026-09-082026-09-17
CVE-2026-69671
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attac...
high 8.8 —Microsoft / 365 apps 2026-09-082026-09-17
CVE-2026-69678
Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to...
high 8.8 —Microsoft / 365 apps 2026-09-082026-09-17
CVE-2026-69632
Use after free in Microsoft Office allows an unauthorized attacker to execute co...
high 8.8 —Microsoft / 365 apps 2026-09-082026-09-17
CVE-2026-73003
Use after free in Windows Modern Device Management (MDM) allows an authorized at...
high 7.0 —Microsoft / windows 10 1809 2026-09-082026-09-17
CVE-2026-73005
Use after free in Windows Authentication Methods allows an authorized attacker t...
high 7.0 —Microsoft / windows 10 1607 2026-09-082026-09-17
CVE-2026-79419
A reflected cross-site scripting (XSS) vulnerability exists in EMX Tecnologia Ge...
high 8.7 —Emxtecnologia / gestao x business suite 2026-09-042026-09-17
CVE-2026-79418
EMX Tecnologia Gestao X version <= 8.4 contains a Stored Cross-Site Scripting (X...
high 8.7 —Emxtecnologia / gestao x business suite 2026-09-042026-09-17
CVE-2026-82964
Improper preservation of permissions in the Avast sandbox minifilter driver (asw...
high 8.8 —— 2026-09-162026-09-17
CVE-2026-72963
Use after free in Windows Modern Execution Server allows an authorized attacker...
high 7.0 —Microsoft / windows 10 1607 2026-09-082026-09-17
CVE-2026-81353
Heap-based buffer overflow in Microsoft Windows Codecs Library allows an unautho...
high 7.8 —Microsoft / heif image extension 2026-09-082026-09-17
CVE-2026-91741
Type confusion in CacheStorage in Google Chrome prior to 153.0.8010.47 allowed a...
high 8.8 —Google / chrome 2026-09-152026-09-17
CVE-2026-91743
Race condition in Core in Google Chrome prior to 153.0.8010.47 allowed a remote...
high 8.3 —Google / chrome 2026-09-152026-09-17
CVE-2026-91745
Use after free in V8 in Google Chrome prior to 153.0.8010.47 allowed a remote at...
high 8.8 —Google / chrome 2026-09-152026-09-17
CVE-2026-91748
Race condition in Extensions in Google Chrome on on Mac prior to 153.0.8010.47 a...
high 8.3 —Google / chrome 2026-09-152026-09-17
CVE-2026-65344
An out-of-bounds write issue was addressed with improved bounds checking.
high 7.8 —Apple / ipados 2026-09-142026-09-17
CVE-2026-43702
The issue was addressed with improved memory handling.
high 7.8 —Apple / ipados 2026-09-142026-09-17
CVE-2026-43688
A memory corruption issue was addressed with improved input validation.
high 7.8 —Apple / ipados 2026-09-142026-09-17
CVE-2026-28938
A privacy issue was addressed by moving sensitive data.
high 7.5 —Apple / ipados 2026-09-142026-09-17
CVE-2026-28935
The issue was addressed with improved memory handling.
high 7.5 —Apple / ipados 2026-09-142026-09-17
CVE-2026-56172
Use after free in Windows VHD miniport driver allows an authorized attacker to e...
high 7.8 —Microsoft / windows 10 1809 2026-09-082026-09-17
CVE-2026-56177
Use after free in Windows Server allows an authorized attacker to elevate privil...
high 7.8 —Microsoft / windows 10 1607 2026-09-082026-09-17
CVE-2026-62697
Use after free in Windows Push Notifications allows an authorized attacker to el...
high 7.8 —Microsoft / windows 10 21h2 2026-09-082026-09-17
CVE-2026-68824
Concurrent execution using shared resource with improper synchronization ('race...
high 7.0 —Microsoft / windows 10 21h2 2026-09-082026-09-17
CVE-2026-68825
Use after free in Windows Bind Filter Driver allows an authorized attacker to el...
high 7.0 —Microsoft / windows 11 23h2 2026-09-082026-09-17
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-2026-68847
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-2026-89063
The Online Scheduling and Appointment Booking System – Bookly plugin for WordPre...
high 7.5 —— 2026-09-162026-09-17

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.