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Exploited vulnerability · CISA KEV

Is CVE-2024-38112 exploited? Yes: in CISA KEV since 9 Jul 2024

Gociux · Microsoft Windows · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2024-38112, Microsoft Windows MSHTML Platform Spoofing Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 9 Jul 2024, the day it was published. It affects Microsoft Windows. If you run it, CISA's required action is: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

exploitedYesCISA KEV · 9 Jul 2024
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity7.5CVSS 3.1 · high
US federal due30 Jul 2024BOD 22-01 deadline

What it is

Microsoft Windows MSHTML Platform contains a spoofing vulnerability that has a high impact to confidentiality, integrity, and availability.

VendorMicrosoft (391 exploited CVEs in KEV)
ProductWindows
VulnerabilityMicrosoft Windows MSHTML Platform Spoofing Vulnerability
WeaknessCWE-451
Published9 Jul 2024
Added to KEV9 Jul 2024
Reported by (CNA)microsoft

What to do

  1. Check whether you run it. Look for Windows in your asset inventory, including appliances and cloud images. Stack check lists every exploited Microsoft CVE at once.
  2. Apply the fix. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
  3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 9 Jul 2024.
  4. Get told next time. Email alerts when CISA adds a CVE for Microsoft.

Other exploited CVEs in Windows

References

Questions

Is CVE-2024-38112 being exploited?

Yes. CISA added CVE-2024-38112 to the Known Exploited Vulnerabilities catalog on 9 Jul 2024, which means there is reliable evidence of exploitation in the wild.

Is CVE-2024-38112 used in ransomware attacks?

CISA does not list known ransomware use for it. That can change, and exploitation alone is reason to fix it first.

How do I fix CVE-2024-38112?

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. Check Microsoft's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected Windows and watch it for signs of compromise.

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in July 2024 · Microsoft scorecard · act-now radar.

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