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CVE-2016-0199

Published: Jun 16, 2016Updated: May 6, 2026 Sources: CVE List NVD BDUCWE-119
8.8HIGH
NVD MITRE
EPSS Score
51.0%
Top 1.1%
CISA KEV
Not in KEV
Exploits
2 Known
Remediation
Patch Available
Self-Check
OpenVAS

Description

Microsoft Internet Explorer 9 through 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Internet Explorer Memory Corruption Vulnerability," a different vulnerability than CVE-2016-0200 and CVE-2016-3211.

In plain language

AI Worth attention

CVE-2016-0199 is a flaw in Internet Explorer (9–11) that can let someone who tricks you with a specially made website run bad code or crash your browser; a typical small business using IE should treat this as a patch-up-now issue.

Executive summary

CVE-2016-0199 is a memory-corruption issue in Microsoft Internet Explorer 9 through 11 triggered by viewing a crafted website, enabling remote attackers to execute arbitrary code or cause a denial of service.

If affected, business impact
Browser takeover or malware installCustomer or employee phishing follow-onIT disruption from repeated crashesPossible data exposure from compromised browser

What to do now

  1. Check which browser you use on company computers (confirm whether Internet Explorer 9, 10, or 11 is installed and in use for any workflow).
  2. Apply the vendor fix by installing the update described in Microsoft bulletin MS16-063.
  3. If you can’t patch immediately, stop using Internet Explorer for web browsing (use an alternative browser) until MS16-063 is installed.
Some work to apply

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-119

Affected Products

Microsoft Corp
commercial·USaka microsoft, microsoft corporation
Internet ExplorerOn-premDesktop App
Consumer Software / browser
and 2 more affected products View all →

Exploitability

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
Is your org exposed to CVE-2016-0199?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

http://technet.microsoft.com/security/bulletin/MS16-063
technet.microsoft.com
http://packetstormsecurity.com/files/137533/Microsoft-Internet-Explorer-11-Garbage-Collector-Attribute-Type-Confusion.html
packetstormsecurity.com
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-063
docs.microsoft.com
and 5 more references View all →

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