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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-2026-86881
A certificate validation issue was addressed with improved certificate validatio...
critical 9.1 —Apple / ipados 2026-09-142026-09-16
CVE-2026-84625
A permissions issue was addressed with additional sandbox restrictions.
critical 9.1 —Apple / ipados 2026-09-142026-09-23
CVE-2026-84609
A permissions issue was addressed with improved path validation.
critical 9.8 —Apple / ipados 2026-09-142026-09-18
CVE-2026-84561
A double free issue was addressed with improved memory management.
critical 9.8 —Apple / ipados 2026-09-142026-09-16
CVE-2026-84520
A buffer overflow was addressed with improved size validation.
critical 9.8 —Apple / macos 2026-09-142026-09-16
CVE-2026-65414
An out-of-bounds write issue was addressed with improved bounds checking.
critical 9.8 —Apple / ipados 2026-09-142026-09-16
CVE-2026-65381
A validation issue existed in the entitlement verification.
critical 10.0 —Apple / macos 2026-09-142026-09-17
CVE-2026-43790
The issue was addressed with improved memory handling.
critical 9.1 —Apple / macos 2026-09-142026-09-17
CVE-2026-86904
A privacy issue was addressed with improved state management.
high 7.5 —Apple / ipados 2026-09-142026-09-16
CVE-2026-86917
A permissions issue was addressed with additional restrictions.
high 7.8 —Apple / macos 2026-09-142026-09-15
CVE-2026-86894
A logic issue was addressed with improved checks.
high 7.5 —Apple / macos 2026-09-142026-09-16
CVE-2026-86895
An information disclosure issue was addressed with improved state management.
high 7.5 —Apple / ipados 2026-09-142026-09-16
CVE-2026-86901
An out-of-bounds write issue was addressed with improved bounds checking.
high 7.1 —Apple / macos 2026-09-142026-09-18
CVE-2026-84631
This issue was addressed with additional entitlement checks.
high 7.8 —Apple / macos 2026-09-142026-09-15
CVE-2026-84632
The issue was addressed with improved memory handling.
high 7.3 —Apple / ipados 2026-09-142026-09-16
CVE-2026-84623
An authorization issue was addressed with improved state management.
high 7.5 —Apple / ipados 2026-09-142026-09-23
CVE-2026-84629
This issue was addressed with additional entitlement checks.
high 7.5 —Apple / ipados 2026-09-142026-09-16
CVE-2026-84607
A race condition was addressed with improved state management.
high 7.8 —Apple / ipados 2026-09-142026-09-16
CVE-2026-84611
An out-of-bounds write issue was addressed with improved bounds checking.
high 7.3 —Apple / ipados 2026-09-142026-09-16
CVE-2026-84620
An integer overflow was addressed with improved input validation.
high 7.3 —Apple / ipados 2026-09-142026-09-18
CVE-2026-84598
A path traversal issue was addressed with improved path validation.
high 7.5 —Apple / ipados 2026-09-142026-09-16
CVE-2026-84606
A privacy issue was addressed with improved handling of identifiers.
high 7.5 —Apple / ipados 2026-09-142026-09-17
CVE-2026-84578
A logic issue was addressed with improved checks.
high 8.8 —Apple / macos 2026-09-142026-09-18
CVE-2026-84580
The issue was addressed with improved checks.
high 8.4 —Apple / macos 2026-09-142026-09-17
CVE-2026-84581
A buffer overflow was addressed with improved bounds checking.
high 8.4 —Apple / macos 2026-09-142026-09-16
CVE-2026-84584
This issue was addressed with improved handling of symlinks.
high 8.4 —Apple / macos 2026-09-142026-09-17
CVE-2026-84568
A path traversal issue was addressed with improved path validation.
high 7.8 —Apple / macos 2026-09-142026-09-15
CVE-2026-84572
An out-of-bounds read was addressed with improved bounds checking.
high 7.1 —Apple / macos 2026-09-142026-09-18
CVE-2026-84575
An out-of-bounds write issue was addressed with improved bounds checking.
high 7.8 —Apple / ipados 2026-09-142026-09-16
CVE-2026-84577
An access issue was addressed with additional sandbox restrictions.
high 8.2 —Apple / macos 2026-09-142026-09-16
CVE-2026-84563
A logic issue was addressed with improved checks.
high 7.5 —Apple / macos 2026-09-142026-09-16
CVE-2026-84565
An out-of-bounds read was addressed with improved bounds checking.
high 7.1 —Apple / macos 2026-09-142026-09-17
CVE-2026-84566
The issue was addressed with improved memory handling.
high 7.8 —Apple / ipados 2026-09-142026-09-18
CVE-2026-84549
An out-of-bounds read was addressed with improved bounds checking.
high 7.5 —Apple / macos 2026-09-142026-09-27
CVE-2026-84553
A resource exhaustion issue was addressed with improved input validation.
high 7.5 —Apple / macos 2026-09-142026-09-15
CVE-2026-84543
An out-of-bounds access issue was addressed with improved bounds checking.
high 7.5 —Apple / macos 2026-09-142026-09-16
CVE-2026-84544
An integer overflow was addressed with improved input validation.
high 7.5 —Apple / macos 2026-09-142026-09-17
CVE-2026-84546
An out-of-bounds write issue was addressed with improved bounds checking.
high 8.4 —Apple / ipados 2026-09-142026-09-16
CVE-2026-84548
An integer overflow was addressed with improved input validation.
high 7.1 —Apple / macos 2026-09-142026-09-17
CVE-2026-84535
An authorization issue was addressed with improved state management.
high 8.2 —Apple / macos 2026-09-142026-09-16

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.