Exploited vulnerability · CISA KEV

Is CVE-2016-0162 exploited? Yes: in CISA KEV since 24 May 2022

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

Yes. CVE-2016-0162, Microsoft Internet Explorer Information Disclosure Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 24 May 2022, 2233 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 · 24 May 2022

ransomwareNot knownno confirmed use

EPSStop 5%very likely to be exploited

severity4.3CVSS 3.1 · medium

US federal due14 Jun 2022BOD 22-01 deadline

What it is

An information disclosure vulnerability exists when Internet Explorer does not properly handle JavaScript. The vulnerability could allow an attacker to detect specific files on the user's computer.

Vendor	Microsoft (391 exploited CVEs in KEV)
Product	Internet Explorer
Vulnerability	Microsoft Internet Explorer Information Disclosure Vulnerability
Weakness	CWE-200
Published	12 Apr 2016
Added to KEV	24 May 2022
Reported by (CNA)	microsoft

What to do

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.
Apply the fix. Apply updates per vendor instructions.
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 12 Apr 2016.
Get told next time. Email alerts when CISA adds a CVE for Microsoft.

Other exploited CVEs in Internet Explorer

CVE-2010-0249: Microsoft Internet Explorer Use-After-Free Vulnerability (20 May 2026)
CVE-2010-0806: Microsoft Internet Explorer Use-After-Free Vulnerability (20 May 2026)
CVE-2010-3962: Microsoft Internet Explorer Uninitialized Memory Corruption Vulnerability (6 Oct 2025)
CVE-2013-3893: Microsoft Internet Explorer Resource Management Errors Vulnerability (12 Aug 2025)
CVE-2012-4792: Microsoft Internet Explorer Use-After-Free Vulnerability (23 Jul 2024)
CVE-2013-3163: Microsoft Internet Explorer Memory Corruption Vulnerability (30 Mar 2023)

References

nvd.nist.gov/vuln/detail/CVE-2016-0162

Questions

Is CVE-2016-0162 being exploited?

Yes. CISA added CVE-2016-0162 to the Known Exploited Vulnerabilities catalog on 24 May 2022, which means there is reliable evidence of exploitation in the wild.

Is CVE-2016-0162 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-2016-0162?

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 May 2022 · Microsoft scorecard · act-now radar.

Running Microsoft in a regulated environment?

We check exposure across your estate, patch or mitigate with your team, and set up detection for what attackers do after exploiting it.

Get in touch →