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CWE-591

Sensitive Data Storage in Improperly Locked Memory

The product stores sensitive data in memory that is not locked, or that has been incorrectly locked, which might cause the memory to be written to swap files on disk by the virtual memory manager. This can make the data more accessible to external actors.

77
Assigned CVEs
199th
Commonality Rank
7.3
Avg CVSS
2.6%
In CISA KEV

Volume and Severity of Assigned CVEs Over Time

Volume of CVEs assigned to CWE-591 and their average CVSS base score over time.

Volume of CVEsAvg CVSS Base Score
First CVE
Jan 10, 2023
3 years ago
Most Recent CVE
Oct 14, 2025
283 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.

77 CVEs · Highest risk first

CVEPublishedCVSSRiskKEVExploit
CVE-2024-38106HIGH
Windows Kernel Elevation of Privilege Vulnerability
Aug 13, 20247.065YESNO
CVE-2023-28229HIGH
Windows CNG Key Isolation Service Elevation of Privilege Vulnerability
Apr 11, 20237.062YESNO
CVE-2023-36005HIGH
Windows Telephony Server Elevation of Privilege Vulnerability
Dec 12, 20238.132NONO
CVE-2023-28219HIGH
Layer 2 Tunneling Protocol Remote Code Execution Vulnerability
Apr 11, 20238.132NONO
CVE-2023-28220HIGH
Layer 2 Tunneling Protocol Remote Code Execution Vulnerability
Apr 11, 20238.131NONO
CVE-2025-21309HIGH
Windows Remote Desktop Services Remote Code Execution Vulnerability
Jan 14, 20258.130NONO
CVE-2024-38131HIGH
Clipboard Virtual Channel Extension Remote Code Execution Vulnerability
Aug 13, 20248.827NONO
CVE-2023-21546HIGH
Windows Layer 2 Tunneling Protocol (L2TP) Remote Code Execution Vulnerability
Jan 10, 20238.127NONO
CVE-2023-21535HIGH
Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution Vulnerability
Jan 10, 20238.127NONO
CVE-2025-30394MEDIUM
Sensitive data storage in improperly locked memory in Remote Desktop Gateway Service allows an unauthorized attacker to deny service over a network.
May 13, 20255.926NONO
View all 77 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
12%
16%
6.0-6.9
53%
26%
7.0-7.9
29%
11%
8.0-8.9
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
2 CVEs
2.6% of CVEs· 96th percentile
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