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CWE-843

Access of Resource Using Incompatible Type ('Type Confusion')

The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.

837
Assigned CVEs
50th
Commonality Rank
8.0
Avg CVSS
4.9%
In CISA KEV

Volume and Severity of Assigned CVEs Over Time

Volume of CVEs assigned to CWE-843 and their average CVSS base score over time.

Volume of CVEsAvg CVSS Base Score
First CVE
Mar 10, 2010
16 years ago
Most Recent CVE
Jul 22, 2026
2 days ago

Top CVEs Assigned This CWE

Top CVEs that have been assigned this CWE. A single CVE can have multiple CWE assignments, though many have just one.

837 CVEs · Highest risk first

CVEPublishedCVSSRiskKEVExploit
CVE-2017-8291HIGH
Artifex Ghostscript through 2017-04-26 allows -dSAFER bypass and remote command execution via .rsdparams type confusion with a "/OutputFile (%pipe%" substring in a crafted .eps doc
Apr 27, 20177.898YESYES
CVE-2012-0507CRITICAL
Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 2 and earlier, 6 Update 30 and earlier, and 5.0 Update 33 and earlier allows re
Jun 7, 20129.898YESYES
CVE-2011-0611HIGH
Adobe Flash Player before 10.2.154.27 on Windows, Mac OS X, Linux, and Solaris and 10.2.156.12 and earlier on Android; Adobe AIR before 2.6.19140; and Authplay.dll (aka AuthPlayLib
Apr 13, 20118.898YESYES
CVE-2020-6418HIGH
Type confusion in V8 in Google Chrome prior to 80.0.3987.122 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Feb 27, 20208.897YESYES
CVE-2019-0752HIGH
A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka 'Scripting Engine Memory Corruption Vulnerabil
Apr 9, 20197.595YESYES
CVE-2016-7201HIGH
The Chakra JavaScript scripting engine in Microsoft Edge allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site,
Nov 10, 20168.895YESYES
CVE-2018-8298HIGH
A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability." This
Jul 11, 20187.594YESYES
CVE-2017-0037HIGH
Microsoft Internet Explorer 10 and 11 and Microsoft Edge have a type confusion issue in the Layout::MultiColumnBoxBuilder::HandleColumnBreakOnColumnSpanningElement function in msht
Feb 26, 20178.194YESYES
CVE-2019-17026HIGH
Incorrect alias information in IonMonkey JIT compiler for setting array elements could lead to a type confusion. We are aware of targeted attacks in the wild abusing this flaw. Thi
Mar 2, 20208.890YESYES
CVE-2021-30551HIGH
Type confusion in V8 in Google Chrome prior to 91.0.4472.101 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Jun 15, 20218.889YESNO
View all 837 CVEs →

CVE Severity & Scoring

This CWEGlobal (All CVEs)
0.0-0.9
1.0-1.9
2.0-2.9
3.0-3.9
10%
4.0-4.9
19%
5.0-5.9
16%
6.0-6.9
30%
26%
7.0-7.9
38%
11%
8.0-8.9
14%
14%
9.0-10.0
unknown
CVSS Score Range

Exploit Exposure

Exploit activity across CVEs assigned to this CWE, including CVEs that carry other CWE assignments.

CISA KEV
41 CVEs
4.9% of CVEs· 98th percentile
Metasploit
5 CVEs
0.6% of CVEs· 85th percentile
Nuclei
0 CVEs
0.0% of CVEs· Bottom 1%
ExploitDB
27 CVEs
3.2% of CVEs· 93rd percentile

Social Chatter

Social posts that mention CVE IDs assigned to this CWE. This is assigned-CVE activity, not mentions of the CWE label itself.

Media Mentions

Media articles that mention CVE IDs assigned to this CWE. This is assigned-CVE coverage, not mentions of the CWE label itself.

Top Affected Vendors

Top Affected Products