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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-2026-78515
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to...
medium 6.5 —Microsoft / 365 apps 2026-09-082026-09-17
CVE-2026-78516
Insertion of sensitive information into externally-accessible file or directory...
medium 4.3 —Microsoft / windows 10 1607 2026-09-082026-09-25
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-2026-78506
Improper null termination in Microsoft Office Word allows an unauthorized attack...
medium 5.5 —Microsoft / 365 apps 2026-09-082026-09-17
CVE-2026-78508
Out-of-bounds read in Windows CD-ROM Driver allows an unauthorized attacker to d...
medium 4.6 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-78455
Out-of-bounds read in Xbox allows an unauthorized attacker to disclose informati...
medium 4.3 —Microsoft / windows 10 1607 2026-09-082026-09-11
CVE-2026-78451
Untrusted pointer dereference in Microsoft Windows SCSI Class System File allows...
medium 6.8 —Microsoft / windows 10 1809 2026-09-082026-09-11
CVE-2026-78452
Out-of-bounds read in Microsoft Windows SCSI Class System File allows an unautho...
medium 4.6 —Microsoft / windows 10 1809 2026-09-082026-09-11
CVE-2026-78453
Integer underflow (wrap or wraparound) in Microsoft Windows SCSI Class System Fi...
medium 6.5 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-78454
Out-of-bounds read in Windows CD-ROM Driver allows an authorized attacker to dis...
medium 5.5 —Microsoft / windows 10 1607 2026-09-082026-09-11
CVE-2026-77909
Insufficiently protected credentials in Azure CycleCloud allows an authorized at...
medium 6.5 —Microsoft / azure cyclecloud 2026-09-082026-09-29
CVE-2026-77911
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to d...
medium 6.5 —Microsoft / 365 apps 2026-09-082026-09-08
CVE-2026-78441
Out-of-bounds read in Windows OLE DB allows an unauthorized attacker to disclose...
medium 6.5 —Microsoft / sql server 2017 2026-09-082026-09-23
CVE-2026-77892
No cwe for this issue in Windows Boot Manager allows an unauthorized attacker to...
medium 6.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-77887
Out-of-bounds read in Windows DHCP Server allows an authorized attacker to execu...
medium 6.4 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-77891
Out-of-bounds read in Windows DHCP Server allows an authorized attacker to execu...
medium 6.4 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-77492
Out-of-bounds read in Storage Port Driver allows an authorized attacker to discl...
medium 5.5 —Microsoft / windows 10 1607 2026-09-082026-09-28
CVE-2026-77488
Integer underflow (wrap or wraparound) in SQL Server allows an authorized attack...
medium 5.5 —Microsoft / sql server 2017 2026-09-082026-09-15
CVE-2026-77491
Out-of-bounds read in Windows GDI allows an unauthorized attacker to disclose in...
medium 5.5 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-73029
Buffer over-read in SQL Server allows an authorized attacker to disclose informa...
medium 6.5 —Microsoft / sql server 2019 2026-09-082026-09-15
CVE-2026-73019
Improper resolution of path equivalence in Windows URL Moniker allows an unautho...
medium 4.3 —Microsoft / windows 10 1607 2026-09-082026-09-24
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-2026-73008
Exposure of private personal information to an unauthorized actor in Windows Bio...
medium 5.5 —Microsoft / windows 10 1607 2026-09-082026-09-10
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-2026-72985
Heap-based buffer overflow in Windows Volume Shadow Copy allows an unauthorized...
medium 6.8 —Microsoft / windows 10 1607 2026-09-082026-09-24
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-2026-72980
Uncontrolled search path element in Windows Hello allows an authorized attacker...
medium 5.5 —Microsoft / windows 10 1607 2026-09-082026-09-17
CVE-2026-72974
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-2026-72975
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-2026-72964
Missing authentication for critical function in Windows Internet Connection Shar...
medium 5.5 —Microsoft / windows 10 1607 2026-09-082026-09-21
CVE-2026-72966
Missing authorization in Windows Remote Access Connection Manager allows an auth...
medium 5.5 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-72956
Untrusted pointer dereference in Microsoft Office PowerPoint allows an unauthori...
medium 6.5 —Microsoft / 365 apps 2026-09-082026-09-10
CVE-2026-72942
Out-of-bounds read in Windows Spaceport.sys allows an unauthorized attacker to d...
medium 6.5 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-72945
Use of uninitialized resource in Windows Task Scheduler allows an authorized att...
medium 5.5 —Microsoft / windows 10 1607 2026-09-082026-09-21
CVE-2026-72935
Out-of-bounds read in Windows NTFS allows an authorized attacker to elevate priv...
medium 6.7 —Microsoft / windows 10 1607 2026-09-082026-09-24
CVE-2026-72937
Out-of-bounds read in Storage Port Driver allows an authorized attacker to discl...
medium 5.5 —Microsoft / windows 10 1607 2026-09-082026-09-24
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-2026-72939
Null pointer dereference in Windows Routing and Remote Access Service (RRAS) all...
medium 6.5 —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.