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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
24,591
Critical
3,297
High
7,976
Medium
7,646
Low
740
Severity not reported
4,932
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-2026-113280
Memory corruption in Paint in Google Chrome prior to 156.0.8078.47 allowed a rem...
high 8.8 —Google / chrome 2026-10-202026-10-21
CVE-2026-113281
Memory corruption in SiteIsolation in Google Chrome prior to 156.0.8078.47 allow...
high 8.8 —Google / chrome 2026-10-202026-10-21
CVE-2026-113284
Memory corruption in XML in Google Chrome prior to 156.0.8078.47 allowed a remot...
high 8.8 —Google / chrome 2026-10-202026-10-21
CVE-2026-113286
Memory corruption in Google Lens in Google Chrome prior to 156.0.8078.47 allowed...
high 8.8 —Google / chrome 2026-10-202026-10-21
CVE-2026-113287
Use after free in Prompts in Google Chrome prior to 156.0.8078.47 allowed a remo...
high 8.8 —Google / chrome 2026-10-202026-10-21
CVE-2026-83874
Heap-based buffer overflow in Windows Event Tracing allows an unauthorized attac...
high 8.8 —Microsoft / windows 10 1607 2026-10-132026-10-21
CVE-2026-113288
Memory corruption in Core in Google Chrome prior to 156.0.8078.47 allowed a remo...
high 8.8 —Google / chrome 2026-10-202026-10-21
CVE-2026-113289
Improper input validation in PerformanceAPIs in Google Chrome prior to 156.0.807...
high 8.8 —Google / chrome 2026-10-202026-10-21
CVE-2026-113290
Use after free in Input in Google Chrome prior to 156.0.8078.47 allowed a remote...
high 8.8 —Google / chrome 2026-10-202026-10-21
CVE-2026-113291
Memory corruption in FullScreen in Google Chrome prior to 156.0.8078.47 allowed...
high 8.8 —Google / chrome 2026-10-202026-10-21
CVE-2026-113294
Improper input validation in Loader in Google Chrome prior to 156.0.8078.47 allo...
high 8.8 —Google / chrome 2026-10-202026-10-21
CVE-2026-113298
Use after free in Transactions Platform in Google Chrome prior to 156.0.8078.47...
high 8.8 —Google / chrome 2026-10-202026-10-21
CVE-2026-113299
Memory corruption in WebProtect in Google Chrome prior to 156.0.8078.47 allowed...
high 8.8 —Google / chrome 2026-10-202026-10-21
CVE-2026-113301
Memory corruption in WebAppInstalls in Google Chrome prior to 156.0.8078.47 allo...
high 8.8 —Google / chrome 2026-10-202026-10-21
CVE-2026-113302
Use after free in Extensions in Google Chrome prior to 156.0.8078.47 allowed a r...
high 8.8 —Google / chrome 2026-10-202026-10-21
CVE-2026-113303
Memory corruption in WebRTC in Google Chrome prior to 156.0.8078.47 allowed a re...
high 8.8 —Google / chrome 2026-10-202026-10-21
CVE-2026-113305
Use after free in Privacy in Google Chrome prior to 156.0.8078.47 allowed a remo...
high 8.8 —Google / chrome 2026-10-202026-10-21
CVE-2026-113306
Improper input validation in Network in Google Chrome prior to 156.0.8078.47 all...
high 8.8 —Google / chrome 2026-10-202026-10-21
CVE-2026-113307
Memory corruption in Extensions in Google Chrome prior to 156.0.8078.47 allowed...
high 8.8 —Google / chrome 2026-10-202026-10-21
CVE-2026-113308
Use after free in Core in Google Chrome prior to 156.0.8078.47 allowed a remote...
high 8.8 —Google / chrome 2026-10-202026-10-21
CVE-2026-113311
Use after free in ServiceWorker in Google Chrome prior to 156.0.8078.47 allowed...
high 8.8 —Google / chrome 2026-10-202026-10-21
CVE-2026-113313
Memory corruption in DevTools in Google Chrome prior to 156.0.8078.47 allowed a...
high 8.8 —Google / chrome 2026-10-202026-10-21
CVE-2026-113314
Use after free in Media in Google Chrome prior to 156.0.8078.47 allowed a remote...
high 8.8 —Google / chrome 2026-10-202026-10-21
CVE-2026-113315
Memory corruption in ANGLE in Google Chrome prior to 156.0.8078.47 allowed a rem...
high 8.8 —Google / chrome 2026-10-202026-10-21
CVE-2026-113316
Improper input validation in Views in Google Chrome prior to 156.0.8078.47 allow...
high 8.8 —Google / chrome 2026-10-202026-10-21
CVE-2026-113318
Memory corruption in ServiceWorker in Google Chrome prior to 156.0.8078.47 allow...
high 8.8 —Google / chrome 2026-10-202026-10-21
CVE-2026-113319
Use after free in Accessibility in Google Chrome prior to 156.0.8078.47 allowed...
high 8.8 —Google / chrome 2026-10-202026-10-21
CVE-2026-113321
Use after free in Extensions in Google Chrome prior to 156.0.8078.47 allowed a r...
high 8.8 —Google / chrome 2026-10-202026-10-21
CVE-2026-113324
Use after free in GPU in Google Chrome prior to 156.0.8078.47 allowed a remote a...
high 8.8 —Google / chrome 2026-10-202026-10-21
CVE-2026-113327
Use after free in Chromecast in Google Chrome prior to 156.0.8078.47 allowed a r...
high 8.8 —Google / chrome 2026-10-202026-10-21
CVE-2026-113332
Memory corruption in GPU in Google Chrome prior to 156.0.8078.47 allowed a remot...
high 8.8 —Google / chrome 2026-10-202026-10-21
CVE-2026-113335
Memory corruption in Extensions in Google Chrome prior to 156.0.8078.47 allowed...
high 8.8 —Google / chrome 2026-10-202026-10-21
CVE-2026-113337
Memory corruption in Scroll in Google Chrome prior to 156.0.8078.47 allowed a re...
high 8.8 —Google / chrome 2026-10-202026-10-21
CVE-2026-113338
Use after free in Turbolev in Google Chrome prior to 156.0.8078.47 allowed a rem...
high 8.8 —Google / chrome 2026-10-202026-10-21
CVE-2026-113339
Use after free in SVG in Google Chrome prior to 156.0.8078.47 allowed a remote a...
high 8.8 —Google / chrome 2026-10-202026-10-21
CVE-2026-113343
Memory corruption in Sandbox in Google Chrome prior to 156.0.8078.47 allowed a r...
high 8.8 —Google / chrome 2026-10-202026-10-21
CVE-2026-83876
Use after free in Windows Shell allows an authorized attacker to elevate privile...
high 7.8 —Microsoft / windows 10 1607 2026-10-132026-10-21
CVE-2026-113124
Memory corruption in DataTransfer in Google Chrome prior to 156.0.8078.47 allowe...
high 8.8 —Google / chrome 2026-10-202026-10-21
CVE-2026-113125
Memory corruption in DevTools in Google Chrome prior to 156.0.8078.47 allowed a...
high 8.8 —Google / chrome 2026-10-202026-10-21
CVE-2026-113127
Memory corruption in Browser in Google Chrome prior to 156.0.8078.47 allowed a r...
high 8.8 —Google / chrome 2026-10-202026-10-21

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.