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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-2026-78502
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to d...
medium 6.5 —Microsoft / 365 apps 2026-09-082026-09-17
CVE-2026-78503
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to d...
medium 6.5 —Microsoft / 365 apps 2026-09-082026-09-17
CVE-2026-72975
Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacke...
medium 6.5 —Microsoft / 365 apps 2026-09-082026-09-17
CVE-2026-72976
Out-of-bounds read in Microsoft Office Word allows an authorized attacker to dis...
medium 5.0 —Microsoft / 365 apps 2026-09-082026-09-17
CVE-2026-72977
Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacke...
medium 6.5 —Microsoft / 365 apps 2026-09-082026-09-17
CVE-2026-72974
Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to di...
medium 6.5 —Microsoft / 365 apps 2026-09-082026-09-17
CVE-2026-72938
Access of resource using incompatible type ('type confusion') in Microsoft Offic...
medium 6.5 —Microsoft / 365 apps 2026-09-082026-09-17
CVE-2026-69734
Integer overflow or wraparound in Microsoft Office Word allows an unauthorized a...
medium 6.5 —Microsoft / 365 apps 2026-09-082026-09-17
CVE-2026-69719
Buffer over-read in Microsoft Office Word allows an unauthorized attacker to dis...
medium 6.5 —Microsoft / 365 apps 2026-09-082026-09-17
CVE-2026-69626
Buffer over-read in Microsoft Office allows an unauthorized attacker to disclose...
medium 6.5 —Microsoft / 365 apps 2026-09-082026-09-17
CVE-2026-72980
Uncontrolled search path element in Windows Hello allows an authorized attacker...
medium 5.5 —Microsoft / windows 10 1607 2026-09-082026-09-17
CVE-2026-72999
Out-of-bounds read in Windows USB Hub Driver allows an unauthorized attacker to...
medium 6.8 —Microsoft / windows 10 1607 2026-09-082026-09-17
CVE-2026-73004
Missing authentication for critical function in Windows Autopilot allows an auth...
medium 5.5 —Microsoft / windows 10 21h2 2026-09-082026-09-17
CVE-2026-69316
Buffer over-read in Windows Overlay Filter allows an authorized attacker to disc...
medium 4.7 —Microsoft / windows 10 1607 2026-09-082026-09-17
CVE-2026-69344
Out-of-bounds read in Windows Print Spooler Components allows an authorized atta...
medium 5.5 —Microsoft / windows 10 21h2 2026-09-082026-09-17
CVE-2026-69294
Generation of error message containing sensitive information in Microsoft COM fo...
medium 5.5 —Microsoft / windows 10 1809 2026-09-082026-09-17
CVE-2026-69315
Exposure of sensitive system information to an unauthorized control sphere in Wi...
medium 5.5 —Microsoft / windows 10 1809 2026-09-082026-09-17
CVE-2026-69339
Exposure of sensitive system information to an unauthorized control sphere in Wi...
medium 5.5 —Microsoft / windows 11 24h2 2026-09-082026-09-17
CVE-2026-69374
Allocation of resources without limits or throttling in Windows SMB Server allow...
medium 6.5 —Microsoft / windows 10 21h2 2026-09-082026-09-17
CVE-2026-69390
Out-of-bounds read in Windows Spaceport.sys allows an authorized attacker to dis...
medium 5.5 —Microsoft / windows 10 1607 2026-09-082026-09-17
CVE-2026-69507
Insertion of sensitive information into externally-accessible file or directory...
medium 5.7 —Microsoft / windows 11 23h2 2026-09-082026-09-17
CVE-2026-69267
Insufficient granularity of access control in Windows Connected User Experiences...
medium 6.5 —Microsoft / windows 10 1809 2026-09-082026-09-17
CVE-2026-68886
Use after free in Windows Network Connection Broker allows an authorized attacke...
medium 5.5 —Microsoft / windows 10 1607 2026-09-082026-09-17
CVE-2026-68873
Insertion of sensitive information into log file in Windows Program Compatibilit...
medium 5.5 —Microsoft / windows 11 23h2 2026-09-082026-09-17
CVE-2026-69820
Heap-based buffer overflow in Windows Hello allows an authorized attacker to ele...
medium 6.7 —Microsoft / windows 10 21h2 2026-09-082026-09-16
CVE-2026-68849
Out-of-bounds read in Windows Bluetooth Port Driver allows an authorized attacke...
medium 4.7 —Microsoft / windows 10 21h2 2026-09-082026-09-16
CVE-2026-69642
Improper neutralization of input during web page generation ('cross-site scripti...
medium 6.1 —Microsoft / skype for business server 2026-09-082026-09-16
CVE-2026-66308
Out-of-bounds read in Skype for Business allows an authorized attacker to deny s...
medium 6.5 —Microsoft / skype for business server 2026-09-082026-09-16
CVE-2026-66306
Generation of error message containing sensitive information in Skype for Busine...
medium 6.5 —Microsoft / skype for business server 2026-09-082026-09-16
CVE-2026-66303
Null pointer dereference in Skype for Business allows an authorized attacker to...
medium 6.5 —Microsoft / skype for business server 2026-09-082026-09-16
CVE-2026-63523
Improper neutralization of input during web page generation ('cross-site scripti...
medium 6.1 —Microsoft / skype for business server 2026-09-082026-09-16
CVE-2026-70019
Windows hard link in Windows Compressed Folder allows an unauthorized attacker t...
medium 6.5 —Microsoft / windows 11 23h2 2026-09-082026-09-16
CVE-2026-69874
Untrusted pointer dereference in Windows ALPC allows an authorized attacker to e...
medium 6.4 —Microsoft / windows 10 1809 2026-09-082026-09-16
CVE-2026-69862
Out-of-bounds read in Windows Wireless Wide Area Network Service allows an autho...
medium 5.5 —Microsoft / windows 10 1607 2026-09-082026-09-16
CVE-2026-69469
Integer overflow or wraparound in Windows USB Audio Class driver (usbaudio.sys)...
medium 6.6 —Microsoft / windows 10 1809 2026-09-082026-09-16
CVE-2026-68842
Exposure of sensitive system information to an unauthorized control sphere in Wi...
medium 5.5 —Microsoft / windows 11 24h2 2026-09-082026-09-16
CVE-2026-67633
Out-of-bounds read in SQL Server allows an authorized attacker to deny service o...
medium 6.5 —Microsoft / sql server 2017 2026-09-082026-09-16
CVE-2026-67386
Use of uninitialized resource in SQL Server allows an authorized attacker to dis...
medium 6.5 —Microsoft / sql server 2017 2026-09-082026-09-16
CVE-2026-67383
Generation of error message containing sensitive information in SQL Server allow...
medium 6.5 —Microsoft / sql server 2025 2026-09-082026-09-16
CVE-2026-67369
Out-of-bounds read in SQL Server allows an authorized attacker to disclose infor...
medium 6.5 —Microsoft / sql server 2025 2026-09-082026-09-16

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.