Flaws added in October 2025

From Exploited flaws, HARD’s guide to the flaws being used in attacks
This article lists the flaws CISA added in October 2025. For the newest, see Exploited flaws.

In October 2025, CISA added 31 flaws to its list of vulnerabilities being used in attacks, 11 of them in things people have at home; 3 have been used by ransomware gangs. Most came from Microsoft (8), Dassault Systèmes (2) and Adobe (2).[1]

Most let an attacker take over the product, running their own code or taking full control. It was the second most CISA added in any month of 2025.

List of flaws

Every flaw CISA added in October 2025, newest first, in plain English, each with an article of its own.[2] marks the ones used in ransomware.

2 added

CVEFlawFound
CVE-2025-41244At work Broadcom VMware Aria Operations and VMware Tools. Someone who already has a foothold can use Broadcom VMware Aria Operations and VMware Tools to take full control of the machine. At work
CVE-2025-24893At work XWiki Platform. Attackers can run their own code on XWiki Platform. At work

2 added

CVEFlawFound
CVE-2025-6205At work Dassault Systèmes DELMIA Apriso. Attackers can reach parts of Dassault Systèmes DELMIA Apriso that should be locked to them. At work
CVE-2025-6204At work Dassault Systèmes DELMIA Apriso. Attackers can run their own code on Dassault Systèmes DELMIA Apriso. At work

2 added

CVEFlawFound
CVE-2025-59287At home Microsoft Windows. Attackers can run their own code on Microsoft Windows. At home
CVE-2025-54236At work Adobe Commerce and Magento. Attackers are using a flaw in Adobe Commerce and Magento. At work

1 added

CVEFlawFound
CVE-2025-61932At work Motex LANSCOPE Endpoint Manager. Attackers can run their own code on Motex LANSCOPE Endpoint Manager. At work

5 added

CVEFlawFound
CVE-2025-61884† Used in ransomwareAt work Oracle E-Business Suite. Attackers can make Oracle E-Business Suite send requests into the network behind it from anywhere, without logging in. At work
CVE-2025-33073At home Microsoft Windows. Someone who already has a foothold can use Microsoft Windows to take full control of the machine. At home
CVE-2025-2747At work Kentico Xperience CMS. Attackers can get into Kentico Xperience CMS without a valid password. At work
CVE-2025-2746At work Kentico Xperience CMS. Attackers can get into Kentico Xperience CMS without a valid password. At work
CVE-2022-48503At home Apple devices. Attackers can run their own code on Apple devices. At home

1 added

CVEFlawFound
CVE-2025-54253At work Adobe Experience Manager (AEM) Forms. Attackers can run their own code on Adobe Experience Manager (AEM) Forms. At work

4 added

CVEFlawFound
CVE-2025-59230At home Microsoft Windows. Someone who already has a foothold can use Microsoft Windows to take full control of the machine. At home
CVE-2025-47827At work IGEL OS. Attackers are using a flaw in IGEL OS. At work
CVE-2025-24990At home Microsoft Windows. Someone who already has a foothold can use Microsoft Windows to take full control of the machine. At home
CVE-2016-7836At work SKYSEA Client View. Attackers can run their own code on SKYSEA Client View. At work

1 added

CVEFlawFound
CVE-2021-43798At work Grafana Labs Grafana. Attackers can read files on Grafana Labs Grafana that should be out of reach. At work

1 added

CVEFlawFound
CVE-2025-27915At work Synacor Zimbra Collaboration Suite (ZCS). Attackers can run code in the browser of someone using Synacor Zimbra Collaboration Suite (ZCS) and act as them. At work

7 added

CVEFlawFound
CVE-2025-61882† Used in ransomwareAt work Oracle E-Business Suite. Attackers are using a flaw in Oracle E-Business Suite that its maker hasn't described in detail. At work
CVE-2021-43226† Used in ransomwareAt home Microsoft Windows. Someone who already has a foothold can use Microsoft Windows to take full control of the machine. At home
CVE-2021-22555At work Linux Kernel. Attackers can corrupt memory in Linux Kernel, which they use to take it over. At work
CVE-2013-3918At home Microsoft Windows. A booby-trapped web page can run an attacker's code through Microsoft Windows. At home
CVE-2011-3402At home Microsoft Windows. Opening a booby-trapped file can let an attacker run their own code through Microsoft Windows. At home
CVE-2010-3962At home Microsoft Internet Explorer. Attackers can run their own code on Microsoft Internet Explorer. At home
CVE-2010-3765At home Mozilla products. Attackers can run their own code on Mozilla products. At home

5 added

CVEFlawFound
CVE-2025-4008At work Smartbedded Meteobridge. Attackers can run commands on Smartbedded Meteobridge from anywhere, without logging in. At work
CVE-2025-21043At home Samsung Mobile Devices. Attackers can run their own code on Samsung Mobile Devices. At home
CVE-2017-1000353At work Jenkins. Attackers can run their own code on Jenkins from anywhere, without logging in. At work
CVE-2015-7755At work Juniper ScreenOS. Attackers can get into Juniper ScreenOS without a valid password. At work
CVE-2014-6278At work GNU Bash. Attackers can run commands on GNU Bash. At work

Companies

The flaws were in 20 companies’ products; the most were in Microsoft’s (8).

CompanyFlawsRansomware
Microsoft81
Adobe2–
Dassault Systèmes2–
Kentico2–
Oracle22
Apple1–
Broadcom1–
GNU1–
Grafana Labs1–
IGEL1–
Jenkins1–
Juniper1–
Linux1–
Motex1–
Mozilla1–
5 others5

Other months

Every month since CISA started the list; October 2025 is outlined.

References

  1. ^ Cybersecurity and Infrastructure Security Agency. “Known Exploited Vulnerabilities Catalog”. Version 2026.10.30, updated 30 Oct 2026. CISA adds a flaw when it has reliable evidence of it being used in attacks; the date is when it was added, not when the attacks began.
  2. ^ HARD. Plain-English summaries written from CISA’s and NVD’s text, on each flaw’s page.

See also Exploited flaws, Companies, and Search for any app or company.