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October 2026 CVE archive

Records published in NIST NVD between Oct 1 and Oct 31, 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 October 2026Materially updated (Critical / KEV)
Total records
17,481
Critical
1,390
High
6,087
Medium
6,446
Low
659
Severity not reported
2,899
In CISA KEV
21

Most affected vendors (by CPE data where available): microsoft (1359), google (759), oracle (376), apple (282), ibm (149), adobe (138), apache (73), imagemagick (72), broadcom (61), freerdp (60)

CVESeverityCVSSKEVVendor / productPublishedModified
CVE-2026-88169
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to d...
medium 6.5 —Microsoft / 365 apps 2026-10-132026-10-15
CVE-2026-88172
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to...
medium 6.5 —Microsoft / 365 apps 2026-10-132026-10-14
CVE-2026-88158
Out-of-bounds read in Microsoft Digest Authentication allows an authorized attac...
medium 5.5 —Microsoft / windows 10 1607 2026-10-132026-10-31
CVE-2026-88162
Improper authorization in Windows Encrypting File System (EFS) allows an authori...
medium 5.5 —Microsoft / windows 10 1607 2026-10-132026-10-20
CVE-2026-88151
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to...
medium 6.5 —Microsoft / 365 apps 2026-10-132026-10-14
CVE-2026-88153
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to...
medium 6.5 —Microsoft / 365 apps 2026-10-132026-10-14
CVE-2026-88154
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to...
medium 6.5 —Microsoft / 365 apps 2026-10-132026-10-15
CVE-2026-88137
Files or directories accessible to external parties in WebDAV allows an authoriz...
medium 6.5 —Microsoft / windows 10 1607 2026-10-132026-10-31
CVE-2026-88140
Out-of-bounds read in Windows Key Storage Provider allows an authorized attacker...
medium 5.5 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-88129
Out-of-bounds read in DNS Server allows an authorized attacker to deny service o...
medium 6.5 —Microsoft / windows server 2012 2026-10-132026-10-16
CVE-2026-88130
Out-of-bounds read in DNS Server allows an authorized attacker to deny service o...
medium 6.5 —Microsoft / windows server 2012 2026-10-132026-10-16
CVE-2026-88123
Out-of-bounds read in DNS Server allows an authorized attacker to deny service o...
medium 6.5 —Microsoft / windows server 2012 2026-10-132026-10-16
CVE-2026-88125
Out-of-bounds read in DNS Server allows an authorized attacker to deny service o...
medium 6.5 —Microsoft / windows server 2012 2026-10-132026-10-16
CVE-2026-88122
Out-of-bounds read in DNS Server allows an authorized attacker to deny service o...
medium 6.5 —Microsoft / windows server 2012 2026-10-132026-10-16
CVE-2026-88099
Uncaught exception in Windows Failover Cluster allows an unauthorized attacker t...
medium 5.9 —Microsoft / windows server 2019 2026-10-132026-10-16
CVE-2026-87714
Missing authorization in WebDAV allows an authorized attacker to bypass a securi...
medium 6.5 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-87709
Improper access control in Windows Host Guardian Service allows an authorized at...
medium 5.5 —Microsoft / windows 10 1809 2026-10-132026-10-28
CVE-2026-87698
Out-of-bounds read in Windows Remote Access Service Infrastructure allows an aut...
medium 5.5 —Microsoft / windows 10 1607 2026-10-132026-10-27
CVE-2026-85935
Buffer over-read in Windows USB Driver allows an authorized attacker to disclose...
medium 5.5 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-85938
Improper access control in Windows Broadcast DVR User Service allows an authoriz...
medium 5.5 —Microsoft / windows 10 1809 2026-10-132026-10-28
CVE-2026-85939
Weak authentication in Windows Kernel allows an authorized attacker to bypass a...
medium 5.3 —Microsoft / windows 10 1607 2026-10-132026-10-28
CVE-2026-85932
Improper limitation of a pathname to a restricted directory ('path traversal') i...
medium 6.5 —Microsoft / sharepoint server 2026-10-132026-10-14
CVE-2026-85910
Buffer over-read in Windows StateRepository API allows an authorized attacker to...
medium 5.5 —Microsoft / windows 11 24h2 2026-10-132026-10-26
CVE-2026-85916
Exposure of private personal information to an unauthorized actor in Azure Activ...
medium 5.5 —Microsoft / windows 11 23h2 2026-10-132026-10-16
CVE-2026-85909
Out-of-bounds read in Windows Universal Disk Format File System Driver (UDFS) al...
medium 5.5 —Microsoft / windows 10 1607 2026-10-132026-10-26
CVE-2026-85865
Improper authentication in Windows DHCP Server allows an authorized attacker to...
medium 5.5 —Microsoft / windows 10 1607 2026-10-132026-10-29
CVE-2026-85866
Exposure of sensitive system information to an unauthorized control sphere in Wi...
medium 4.7 —Microsoft / windows 10 1809 2026-10-132026-10-29
CVE-2026-85857
Insertion of sensitive information into log file in Windows Kernel-Mode Drivers...
medium 5.5 —Microsoft / windows 10 1607 2026-10-132026-10-29
CVE-2026-85859
Null pointer dereference in Windows Message Queuing Queue Manager allows an auth...
medium 6.5 —Microsoft / windows 10 1607 2026-10-132026-10-29
CVE-2026-85852
Out-of-bounds read in Windows Management Instrumentation allows an authorized at...
medium 5.5 —Microsoft / windows 10 1607 2026-10-132026-10-29
CVE-2026-85841
Use after free in Windows DHCP Server allows an authorized attacker to execute c...
medium 6.6 —Microsoft / windows 10 1607 2026-10-132026-10-29
CVE-2026-85847
Out-of-bounds read in Windows Print Spooler Components allows an unauthorized at...
medium 6.5 —Microsoft / windows 10 1607 2026-10-132026-10-29
CVE-2026-85840
Files or directories accessible to external parties in Windows Event Viewer allo...
medium 6.5 —Microsoft / windows 10 1607 2026-10-132026-10-29
CVE-2026-85830
Out-of-bounds read in Windows Installer allows an authorized attacker to disclos...
medium 5.5 —Microsoft / windows 10 1607 2026-10-132026-10-29
CVE-2026-85831
Heap-based buffer overflow in Windows Biometric Service allows an authorized att...
medium 5.5 —Microsoft / windows 10 1809 2026-10-132026-10-29
CVE-2026-85815
Out-of-bounds read in Windows Device Association Service allows an authorized at...
medium 5.5 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-85816
Out-of-bounds read in Windows Wi-Fi Driver allows an authorized attacker to disc...
medium 5.7 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-85821
Out-of-bounds read in Windows Universal Disk Format File System Driver (UDFS) al...
medium 6.5 —Microsoft / windows 10 1607 2026-10-132026-10-16
CVE-2026-85812
Files or directories accessible to external parties in Windows Bind Filter Drive...
medium 5.5 —Microsoft / windows 10 21h2 2026-10-132026-10-16
CVE-2026-85805
Improperly implemented security check for standard in Windows PowerShell allows...
medium 6.5 —Microsoft / windows 10 1607 2026-10-132026-10-16

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.