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October 2026 CVE archive

Records last modified 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. 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 October 2026Materially updated (Critical / KEV)
Total records
24,594
Critical
3,297
High
7,976
Medium
7,646
Low
740
Severity not reported
4,935
In CISA KEV
191

Most affected vendors (by CPE data where available): microsoft (1424), google (825), linux (722), ibm (323), oracle (193), mozilla (182), adobe (165), broadcom (118), apache (116), fabian (98)

CVESeverityCVSSKEVVendor / productPublishedModified
CVE-2026-113118
Memory corruption in Extensions in Google Chrome prior to 156.0.8078.47 allowed...
high 8.8 —Google / chrome 2026-10-202026-10-22
CVE-2026-113141
Use after free in Transactions Platform in Google Chrome prior to 156.0.8078.47...
high 8.8 —Google / chrome 2026-10-202026-10-22
CVE-2026-113019
Use after free in Turbolev in Google Chrome prior to 156.0.8078.47 allowed a rem...
high 8.8 —Google / chrome 2026-10-202026-10-22
CVE-2026-113009
Use after free in WindowControlsOverlay in Google Chrome prior to 156.0.8078.47...
high 8.8 —Google / chrome 2026-10-202026-10-22
CVE-2026-113018
Memory corruption in IME in Google Chrome prior to 156.0.8078.47 allowed a remot...
high 8.8 —Google / chrome 2026-10-202026-10-22
CVE-2026-96959
Allocation of resources without limits or throttling in .NET allows an unauthori...
high 7.5 —Microsoft / .net 2026-10-132026-10-22
CVE-2026-96960
Asymmetric resource consumption (amplification) in .NET allows an unauthorized a...
high 7.5 —Microsoft / .net 2026-10-132026-10-22
CVE-2026-96957
Improper verification of cryptographic signature in .NET allows an unauthorized...
high 8.8 —Microsoft / .net 2026-10-132026-10-22
CVE-2026-96958
Inefficient algorithmic complexity in .NET allows an unauthorized attacker to de...
high 7.5 —Microsoft / .net 2026-10-132026-10-22
CVE-2026-96232
Out-of-bounds read in .NET allows an unauthorized attacker to disclose informati...
high 7.5 —— 2026-10-132026-10-22
CVE-2026-96233
Out-of-bounds write in ASP.NET Core allows an unauthorized attacker to deny serv...
high 7.5 —— 2026-10-132026-10-22
CVE-2026-96235
Out-of-bounds write in .NET allows an unauthorized attacker to execute code over...
high 8.8 —— 2026-10-132026-10-22
CVE-2026-96237
Inclusion of functionality from untrusted control sphere in .NET allows an unaut...
high 7.5 —— 2026-10-132026-10-22
CVE-2026-96222
Improper certificate validation in Active Directory Federation Services (AD FS)...
high 7.4 —Microsoft / windows 10 1607 2026-10-132026-10-22
CVE-2026-96224
Out-of-bounds write in .NET allows an unauthorized attacker to execute code over...
high 8.8 —— 2026-10-132026-10-22
CVE-2026-96225
Improper link resolution before file access ('link following') in .NET allows an...
high 7.8 —— 2026-10-132026-10-22
CVE-2026-96230
Improper neutralization of input during web page generation ('cross-site scripti...
high 8.8 —— 2026-10-132026-10-22
CVE-2026-96231
Improper link resolution before file access ('link following') in .NET allows an...
high 7.8 —— 2026-10-132026-10-22
CVE-2026-87697
Deserialization of untrusted data in .NET allows an unauthorized attacker to exe...
high 8.8 —— 2026-10-132026-10-22
CVE-2026-85363
Integer overflow or wraparound in .NET Framework allows an unauthorized attacker...
high 8.8 —— 2026-10-132026-10-22
CVE-2026-84008
Inefficient algorithmic complexity in .NET allows an unauthorized attacker to de...
high 7.5 —— 2026-10-132026-10-22
CVE-2026-83520
Deserialization of untrusted data in .NET allows an unauthorized attacker to exe...
high 8.8 —— 2026-10-132026-10-22
CVE-2026-70190
Improper link resolution before file access ('link following') in .NET allows an...
high 7.3 —— 2026-10-132026-10-22
CVE-2026-70179
Authentication bypass by spoofing in ASP.NET Core allows an authorized attacker...
high 7.5 —— 2026-10-132026-10-22
CVE-2026-70174
Improperly implemented security check for standard in .NET allows an unauthorize...
high 8.8 —— 2026-10-132026-10-22
CVE-2026-70159
Allocation of resources without limits or throttling in ASP.NET Core allows an u...
high 7.5 —— 2026-10-132026-10-22
CVE-2026-70161
Improper limitation of a pathname to a restricted directory ('path traversal') i...
high 7.3 —— 2026-10-132026-10-22
CVE-2026-70035
Deserialization of untrusted data in .NET Framework allows an unauthorized attac...
high 8.8 —— 2026-10-132026-10-22
CVE-2026-70007
Out-of-bounds write in .NET Framework allows an unauthorized attacker to execute...
high 8.8 —— 2026-10-132026-10-22
CVE-2026-69651
Inefficient algorithmic complexity in .NET allows an unauthorized attacker to de...
high 7.5 —— 2026-10-132026-10-22
CVE-2026-58280
Uncontrolled recursion in .NET allows an unauthorized attacker to deny service o...
high 7.5 —— 2026-10-132026-10-22
CVE-2026-113386
Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 are affected by IMAP comm...
high 7.1 —— 2026-10-202026-10-22
CVE-2026-113394
A vulnerability was identified in DrayTek Vigor2960 1.5.1.6 Revision 8218.
high 7.4 —— 2026-10-202026-10-22
CVE-2026-112940
filelock is a platform-independent file lock for Python.
high 7.1 —Tox-dev / filelock 2026-10-202026-10-22
CVE-2026-111765
A2A Java SDK is the official Java SDK for the Agent2Agent (A2A) Protocol.
high 7.5 —— 2026-10-202026-10-22
CVE-2026-109468
Allocation of resources without limits or throttling in ASP.NET Core allows an u...
high 7.5 —— 2026-10-152026-10-22
CVE-2026-109440
LangAlpha through 2026.09.07 contains an indirect prompt injection vulnerability...
high 8.8 —— 2026-10-202026-10-22
CVE-2026-6554
libpcap BPF interpreter treats the offset in the 'ja L' BPF instruction as a sig...
high 7.5 —— 2026-09-052026-10-22
CVE-2026-112775
Craft CMS from 5.0.0 before 5.11.0 contains an authentication bypass vulnerabili...
high 7.5 —— 2026-10-192026-10-22
CVE-2026-112780
Grav from 2.0.15 before 2.2.2 contains an allowlist bypass vulnerability that al...
high 8.8 —— 2026-10-192026-10-22

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.