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CWE-733

Compiler Optimization Removal or Modification of Security-critical Code

The developer builds a security-critical protection mechanism into the software, but the compiler optimizes the program such that the mechanism is removed or modified.

9
Assigned CVEs
451st
Commonality Rank
7.9
Avg CVSS
0.0%
In CISA KEV

Volume and Severity of Assigned CVEs Over Time

Volume of CVEs assigned to CWE-733 and their average CVSS base score over time.

Volume of CVEsAvg CVSS Base Score
First CVE
Dec 17, 2020
5 years ago
Most Recent CVE
Jun 16, 2026
38 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.

9 CVEs · Highest risk first

CVEPublishedCVSSRiskKEVExploit
CVE-2026-8389HIGH
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3.
May 12, 20268.837NONO
CVE-2026-10702HIGH
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 151.0.3.
Jun 2, 20267.535NONO
CVE-2026-4698CRITICAL
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140
Mar 24, 20269.835NONO
CVE-2025-13024CRITICAL
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 145 and Thunderbird 145.
Nov 11, 20259.832NONO
CVE-2026-12299HIGH
JIT miscompilation in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.
Jun 16, 20267.530NONO
CVE-2025-20241HIGH
A vulnerability in the Intermediate System-to-Intermediate System (IS-IS) feature of Cisco NX-OS Software for Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches
Aug 27, 20257.428NONO
CVE-2025-52496HIGH
Mbed TLS before 3.6.4 has a race condition in AESNI detection if certain compiler optimizations occur. An attacker may be able to extract an AES key from a multithreaded program, o
Jul 4, 20257.822NONO
CVE-2020-15294HIGH
Compiler Optimization Removal or Modification of Security-critical Code vulnerability in IntPeParseUnwindData() results in multiple dereferences to the same pointer. If the pointer
Dec 17, 20207.022NONO
CVE-2024-58262MEDIUM
The curve25519-dalek crate before 4.1.3 for Rust has a constant-time operation on elliptic curve scalars that is removed by LLVM.
Jul 27, 20255.119NONO
View all 9 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
11%
19%
5.0-5.9
16%
6.0-6.9
56%
26%
7.0-7.9
11%
11%
8.0-8.9
22%
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
0 CVEs
0.0% of CVEs· Bottom 1%
Metasploit
0 CVEs
0.0% of CVEs· Bottom 1%
Nuclei
0 CVEs
0.0% of CVEs· Bottom 1%
ExploitDB
0 CVEs
0.0% of CVEs· Bottom 1%

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