december 2025
- cves
- 5,493
- against an average 2025 month
- 1.4×
- busiest day
- dec 9, 667
- used in real attacks
- 23
december 2025 brought 5,493 cves, 1.4 times an average 2025 month.
14 of its 31 days ran above the 2025 average for that weekday.
667
on dec 9, the busiest day.
429
rated critical, cvss 9 or higher. 352 of them can be hit over the network with no login and nothing for a user to click.
784
came in three single drops: the linux kernel team 322 on dec 24, the linux kernel team 244 on dec 30, patchstack 218 on dec 18.
23 already used in real attacks
cisa kev, as of oct 24, 2026
- 3apple productsdec 12, 17
- 2android frameworkdec 8
- 1meta react server componentsdec 3
- 1arrayosdec 5
- 1langflowdec 5
- 1fortinet productsdec 9
- 1microsoft windowsdec 9
- 1gogsdec 10
- 1gladinet centrestack and triofoxdec 12
- 1google chromiumdec 12
and 10 more productsall 23 with cve idshide the list
- dec 3meta react server componentscve-2025-55182
- dec 5langflow langflowcve-2025-34291
- dec 5array networks arrayos agcve-2025-66644
- dec 8android frameworkcve-2025-48572
- dec 8android frameworkcve-2025-48633
- dec 9fortinet multiple productscve-2025-59718
- dec 9microsoft windowscve-2025-62221
- dec 10gogs gogscve-2025-8110
- dec 12google chromiumcve-2025-14174
- dec 12gladinet centrestack and triofoxcve-2025-14611
- dec 12apple multiple productscve-2025-43510
- dec 12apple multiple productscve-2025-43520
- dec 16hewlett packard enterprise (hpe) oneviewcve-2025-37164
- dec 17cisco multiple productscve-2025-20393
- dec 17apple multiple productscve-2025-43529
- dec 17asus live updatecve-2025-59374
- dec 18sonicwall sma1000 appliancecve-2025-40602
- dec 18roundcube webmailcve-2025-68461
- dec 19watchguard fireboxcve-2025-14733
- dec 19mongodb mongodb and mongodb servercve-2025-14847
- dec 19n8n n8ncve-2025-68613
- dec 22synacor zimbra collaboration suite (zcs)cve-2025-68645
- dec 29smartertools smartermailcve-2025-52691
cisa keeps adding older cves when attacks come to light, so this list can still grow.
this poster
- period
- december 1 to 31, 2025
- cves
- 5,493
- data
- cve list v5, cisa kev, drawn 2026-10-24
- format
- 3:4, drawn for 45 × 60 cm
