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Exploited vulnerability · CISA KEV

Is CVE-2014-1776 exploited? Yes: in CISA KEV since 28 Jan 2022

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

Yes. CVE-2014-1776, Microsoft Internet Explorer Memory Corruption Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 28 Jan 2022, 2833 days after it was published. It affects Microsoft Internet Explorer. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 28 Jan 2022
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity9.8CVSS 3.1 · critical
US federal due28 Jul 2022BOD 22-01 deadline

What it is

Microsoft Internet Explorer contains a memory corruption vulnerability that allows remote attackers to execute code in the context of the current user.

VendorMicrosoft (391 exploited CVEs in KEV)
ProductInternet Explorer
VulnerabilityMicrosoft Internet Explorer Memory Corruption Vulnerability
WeaknessCWE-416
Published27 Apr 2014
Added to KEV28 Jan 2022
Reported by (CNA)microsoft

What to do

  1. Check whether you run it. Look for Internet Explorer in your asset inventory, including appliances and cloud images. Stack check lists every exploited Microsoft CVE at once.
  2. Apply the fix. Apply updates per vendor instructions.
  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 27 Apr 2014.
  4. Get told next time. Email alerts when CISA adds a CVE for Microsoft.

Other exploited CVEs in Internet Explorer

References

Questions

Is CVE-2014-1776 being exploited?

Yes. CISA added CVE-2014-1776 to the Known Exploited Vulnerabilities catalog on 28 Jan 2022, which means there is reliable evidence of exploitation in the wild.

Is CVE-2014-1776 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-2014-1776?

Apply updates per vendor instructions. Check Microsoft's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected Internet Explorer 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 January 2022 · Microsoft scorecard · act-now radar.

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