Exploited now

Every vulnerability CISA confirms is being exploited in the wild: listed in its Known Exploited Vulnerabilities catalog, or assessed as actively exploited in its Vulnrichment data, often days before the catalog. When it was confirmed, how soon after the CVE went public, and the vendors attackers go after first. Refreshed every ten minutes. Sources.

Updated under an hour ago (Oct 29, 2026, 11:00 PM ET)

What this means for you

32 vulnerabilities confirmed exploited in the last 30 days; 39% of the last 12 months' were exploited by the day they were disclosed. Add your stack to see which of them you run.

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Start free and add your stackFree account, 3 products Exploited by disclosure day

Confirmed exploited, last 30 days: 32; Show in the list
Exploited by the day of disclosure, last 12 months: 39%; of 301 confirmed; Show in the list
Median days from disclosure to confirmed exploitation: 4; last 12 months; list sorted fastest first; Show in the list
Used in ransomware campaigns, last 12 months: 25; Show in the list

What this means for a patch cycle

Half of the vulnerabilities CISA confirmed exploited in the last 12 months were confirmed within 4 days of going public, and 39% by the day they were published. A monthly patch cycle leaves those exposed for weeks. Products from the vendors below, especially internet-facing ones, need an emergency patch path measured in days.

Where attackers strike first

Vendors by vulnerabilities confirmed exploited in the last 24 months; the top five account for 67% of the twelve listed. This counts confirmed attacks, not disclosed flaws, so a vendor is not rewarded for publishing fewer CVEs. Mapped health IT products account for 1 of them.

Vendors by vulnerabilities confirmed exploited

Microsoft	80	49 (61%)	0	10
Cisco	29	16 (55%)	0	2
Apple	19	2 (11%)	2	0
Fortinet	17	11 (65%)	0	3
Google	16	7 (44%)	1	0
Linux	16	1 (6%)	106	0
Ivanti	13	6 (46%)	2	2
Adobe	11	4 (36%)	45	0
Citrix	11	5 (45%)	5	1
Palo Alto Networks	11	4 (36%)	6	3
1–10 of 12

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Every confirmed exploitation

Showing: confirmed in 2022 to 2026, CWE-287 Improper Authentication

Confirmed exploited in 2022 to 2026. Weakness: CWE-287 Improper Authentication. Clear these

38 exploited CVEs

Showing 1 to 10. Open a CVE for every field; narrower screens show fewer columns.

CVE	Vendor and vulnerability	Confirmed exploited	After publication	Severity	EPSS
CVE-2021-32648 CISA KEV	October CMS · October CMS October CMS Improper Authentication CISA remediation due for federal agencies: Feb 1, 2022	Jan 18, 2022	145 days	High 8.2	90%
CVE-2013-0625 CISA KEV	Adobe · ColdFusion Adobe ColdFusion Authentication Bypass Vulnerability CISA remediation due for federal agencies: Sep 7, 2022	Mar 7, 2022	3,345 days	Critical 9.8	94%
CVE-2019-0543 CISA KEV Ransomware	Microsoft · Windows Microsoft Windows Privilege Escalation Vulnerability CISA remediation due for federal agencies: Apr 5, 2022	Mar 15, 2022	1,162 days	High 7.8	5%
CVE-2015-1187 CISA KEV	D-Link and TRENDnet · Multiple Devices D-Link and TRENDnet Multiple Devices Remote Code Execution Vulnerability CISA remediation due for federal agencies: Apr 15, 2022	Mar 25, 2022	1,646 days	Critical 9.8	83%
CVE-2018-10561 CISA KEV	Dasan · Gigabit Passive Optical Network (GPON) Routers Dasan GPON Routers Authentication Bypass Vulnerability CISA remediation due for federal agencies: Apr 21, 2022	Mar 31, 2022	1,428 days	Critical 9.8	93%
CVE-2021-39226 CISA KEV	Grafana Labs · Grafana Grafana Authentication Bypass Vulnerability CISA remediation due for federal agencies: Sep 15, 2022	Aug 25, 2022	324 days	Critical 9.8	100%
CVE-2022-40684 CISA KEV Ransomware	Fortinet · Multiple Products Fortinet Multiple Products Authentication Bypass Vulnerability CISA remediation due for federal agencies: Nov 1, 2022	Oct 10, 2022	7 days before publication	Critical 9.8	100%
CVE-2023-20867 CISA KEV	VMware · Tools VMware Tools Authentication Bypass Vulnerability CISA remediation due for federal agencies: Jul 14, 2023	Jun 23, 2023	10 days	Low 3.9	14%
CVE-2023-35078 CISA KEV Ransomware	Ivanti · Endpoint Manager Mobile (EPMM) Ivanti Endpoint Manager Mobile Authentication Bypass Vulnerability CISA remediation due for federal agencies: Aug 15, 2023	Jul 25, 2023	Same day	Critical 10.0	100%
CVE-2023-49105 CISA KEV	ownCloud · ownCloud ownCloud Improper Authentication Vulnerability CISA remediation due for federal agencies: Aug 30, 2026	Nov 26, 2023	6 days	Critical 9.8	43%

How to read this

"Confirmed exploited" is the date CISA added the CVE to its Known Exploited Vulnerabilities catalog or assessed it as actively exploited, whichever came first. It is when exploitation was confirmed publicly, not when attackers started, so "after publication" is an upper bound: attackers were there at least that soon. "By disclosure day" means confirmed on or before the day the CVE record was published, the closest public measure of a zero-day. Dates are US Eastern, the calendar CISA uses. Vendors are named as CISA's catalog names them, otherwise as the assigning CNA does. EPSS is FIRST's estimate of the chance of exploitation in the next 30 days.