CVE-2024-43461 Microsoft Windows: software flaw
In plain words: A mistake in the software that attackers have found a way to abuse. Depends on the product — see the description and the vendor advisory.
Confirmed exploited by CISA on · US federal patch deadline Oct 7, 2024
What to do
- Install Microsoft's security update for Windows. If no update exists, follow the vendor's workaround or stop using the product until one ships.
- Let the browser auto-update and relaunch it when it asks — the fix is not active until you do.
- Keep extensions to a minimum and remove ones you do not recognise.
- Stop using Internet Explorer and any browser that no longer gets updates.
Who is affected
Could reach you. This one is aimed at devices or apps of the kind people own.
What's at risk: A malicious or hacked website can be enough. Browser bugs are often the first step in a longer attack on the whole computer or phone.
The details
- Official name
- Microsoft Windows MSHTML Platform Spoofing Vulnerability
- Product
- Microsoft Windows
- CISA description
- Microsoft Windows MSHTML Platform contains a user interface (UI) misrepresentation of critical information vulnerability that allows an attacker to spoof a web page. This vulnerability was exploited in conjunction with CVE-2024-38112.
- Type of flaw
- Software flaw (CWE-451)
- Confirmed exploited
- Sep 16, 2024
- US federal patch deadline
- Oct 7, 2024
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Answering about CVE-2024-43461 ·
Questions about CVE-2024-43461
Is CVE-2024-43461 being exploited?
Yes. CISA added CVE-2024-43461 to its Known Exploited Vulnerabilities catalog on Sep 16, 2024, which means there is reliable evidence of real-world attacks.
How do I fix CVE-2024-43461?
Install Microsoft's security update for Windows. If no update exists, follow the vendor's workaround or stop using the product until one ships. Let the browser auto-update and relaunch it when it asks — the fix is not active until you do.
Am I affected by CVE-2024-43461?
Only if you use Microsoft Windows. This one is aimed at devices or apps of the kind people own.