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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
24,583
Critical
3,295
High
7,975
Medium
7,639
Low
740
Severity not reported
4,934
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-2026-117996
Incorrect boundary conditions in the WebRTC component.
not reported— —— 2026-10-272026-10-27
CVE-2026-117997
Sandbox escape due to use-after-free in the Widget component.
not reported— —— 2026-10-272026-10-27
CVE-2026-117998
Mitigation bypass in the DOM: Push Subscriptions component.
not reported— —— 2026-10-272026-10-27
CVE-2026-117999
Race condition in the IPC component.
not reported— —— 2026-10-272026-10-27
CVE-2026-118000
Information disclosure in the Networking: HTTP component.
not reported— —— 2026-10-272026-10-27
CVE-2026-118002
Information disclosure due to race condition in the Networking component.
not reported— —— 2026-10-272026-10-27
CVE-2026-117982
Invalid pointer in the JavaScript Engine: JIT component.
not reported— —— 2026-10-272026-10-27
CVE-2026-117983
Use-after-free in the Graphics component.
not reported— —— 2026-10-272026-10-27
CVE-2026-117984
Incorrect boundary conditions in the Layout: Scrolling and Overflow component.
not reported— —— 2026-10-272026-10-27
CVE-2026-117985
Sandbox escape due to use-after-free in the Graphics component.
not reported— —— 2026-10-272026-10-27
CVE-2026-117986
Use-after-free in the Graphics component.
not reported— —— 2026-10-272026-10-27
CVE-2026-117987
Use-after-free in the Graphics component.
not reported— —— 2026-10-272026-10-27
CVE-2026-117988
Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL...
not reported— —— 2026-10-272026-10-27
CVE-2026-117989
Use-after-free in the Graphics component.
not reported— —— 2026-10-272026-10-27
CVE-2026-117990
Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender c...
not reported— —— 2026-10-272026-10-27
CVE-2026-117991
Incorrect boundary conditions in the Layout: Text and Fonts component.
not reported— —— 2026-10-272026-10-27
CVE-2026-117972
Use-after-free in the Graphics component.
not reported— —— 2026-10-272026-10-27
CVE-2026-117973
Use-after-free in the Networking: DNS component.
not reported— —— 2026-10-272026-10-27
CVE-2026-117974
Use-after-free in the XML component.
not reported— —— 2026-10-272026-10-27
CVE-2026-117975
Sandbox escape due to invalid pointer in the Graphics: WebRender component.
not reported— —— 2026-10-272026-10-27
CVE-2026-117976
Site isolation issue in the DOM: Navigation component.
not reported— —— 2026-10-272026-10-27
CVE-2026-117977
Other issue in the Console component.
not reported— —— 2026-10-272026-10-27
CVE-2026-117978
Incorrect boundary conditions in the Graphics component.
not reported— —— 2026-10-272026-10-27
CVE-2026-117979
Incorrect boundary conditions in the Graphics: WebRender component.
not reported— —— 2026-10-272026-10-27
CVE-2026-117980
Use-after-free in the Graphics component.
not reported— —— 2026-10-272026-10-27
CVE-2026-117981
Privilege escalation in the Toolkit component.
not reported— —— 2026-10-272026-10-27
CVE-2026-117963
Incorrect boundary conditions in the DOM: Service Workers component.
not reported— —— 2026-10-272026-10-27
CVE-2026-117964
Use-after-free in the Panning and Zooming component.
not reported— —— 2026-10-272026-10-27
CVE-2026-117965
Same-origin policy bypass in the Address Bar component.
not reported— —— 2026-10-272026-10-27
CVE-2026-117966
Site isolation issue in the Networking: HTTP component.
not reported— —— 2026-10-272026-10-27
CVE-2026-117967
Mitigation bypass in the DOM: Security component.
not reported— —— 2026-10-272026-10-27
CVE-2026-117968
Use-after-free in the DOM: Core & HTML component.
not reported— —— 2026-10-272026-10-27
CVE-2026-117969
Invalid pointer in the JavaScript Engine: JIT component.
not reported— —— 2026-10-272026-10-27
CVE-2026-117970
Race condition in the Disability Access APIs component.
not reported— —— 2026-10-272026-10-27
CVE-2026-117971
Sandbox escape due to use-after-free in the Print Preview component.
not reported— —— 2026-10-272026-10-27
CVE-2026-117953
Use-after-free in the DOM: Core & HTML component.
not reported— —— 2026-10-272026-10-27
CVE-2026-117954
Use-after-free in the Layout: Positioned component.
not reported— —— 2026-10-272026-10-27
CVE-2026-117955
JIT miscompilation in the JavaScript: WebAssembly component.
not reported— —— 2026-10-272026-10-27
CVE-2026-117956
Invalid pointer in the Nimbus Desktop Client component.
not reported— —— 2026-10-272026-10-27
CVE-2026-117957
Cryptographic issue in the WebRTC: Networking component.
not reported— —— 2026-10-272026-10-27

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.