CVE-2024-30051 Microsoft DWM Core Library: memory-safety flaw
In plain words: The program mishandles the memory it uses to keep track of data. A specially made input can scramble that memory. Usually lets an attacker crash the program or run their own code with its permissions.
Confirmed exploited by CISA on · US federal patch deadline Jun 4, 2024
What to do
- Install Microsoft's security update for DWM Core Library. If no update exists, follow the vendor's workaround or stop using the product until one ships.
- Keep a list of every internet-facing server you run so nothing is forgotten.
- Patch anything in this catalog first, ahead of normal patch cycles.
- Put admin and file-transfer apps behind a VPN or single sign-on instead of the open internet.
Who is affected
Work IT. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.
What's at risk: Mass data theft and ransomware: a single flaw in a file-transfer or email server has exposed thousands of organisations at once.
The details
- Official name
- Microsoft DWM Core Library Privilege Escalation Vulnerability
- Product
- Microsoft DWM Core Library
- CISA description
- Microsoft DWM Core Library contains a privilege escalation vulnerability that allows an attacker to gain SYSTEM privileges.
- Type of flaw
- Memory-safety flaw (CWE-122)
- Confirmed exploited
- May 14, 2024 — known to be used in ransomware attacks
- US federal patch deadline
- Jun 4, 2024
Ask Cleus about it
Ask about a vulnerability, an update, a weird message, or the news. Plain-word answers, free, no account.
Answering about CVE-2024-30051 ·
Questions about CVE-2024-30051
Is CVE-2024-30051 being exploited?
Yes. CISA added CVE-2024-30051 to its Known Exploited Vulnerabilities catalog on May 14, 2024, which means there is reliable evidence of real-world attacks, including by ransomware groups.
How do I fix CVE-2024-30051?
Install Microsoft's security update for DWM Core Library. If no update exists, follow the vendor's workaround or stop using the product until one ships. Keep a list of every internet-facing server you run so nothing is forgotten.
Am I affected by CVE-2024-30051?
Only if you use Microsoft DWM Core Library. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.