CWE-590

Free of Memory not on the Heap

7 CVEs Avg CVSS 7.2 MITRE
1
CRITICAL
4
HIGH
2
MEDIUM
0
LOW
0
POC
0
KEV

Monthly

CVE-2026-20810 HIGH This Week

The Windows Ancillary Function Driver for WinSock contains an improper memory deallocation vulnerability (CWE-590) that allows authenticated local attackers to achieve privilege escalation on affected Windows 10 and Windows Server 2019 systems. An attacker with local user privileges can exploit this flaw to gain SYSTEM-level access without user interaction. No patch is currently available for this vulnerability.

Windows Windows Server 2019 Windows 10 21h2 Windows 10 22h2 Windows 10 1809 +1
NVD
CVSS 3.1
7.8
EPSS
0.0%
CVE-2025-54899 HIGH This Month

Free of memory not on the heap in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Microsoft 365 Apps Excel Office +1
NVD
CVSS 3.1
7.8
EPSS
0.1%
CVE-2025-42996 MEDIUM This Month

SAP MDM Server allows an attacker to gain control of existing client sessions and execute certain functions without having to re-authenticate giving the ability to access or modify non-sensitive information or consume sufficient resources which could degrade the performance of the server causing low impact on confidentiality, integrity and availibility of the application.

Sap Information Disclosure
NVD
CVSS 3.1
5.6
EPSS
0.1%
CVE-2025-42995 HIGH This Week

Denial-of-service vulnerability in SAP MDM Server's Read function that allows unauthenticated network attackers to trigger memory read access violations by sending specially crafted packets, causing the server process to crash and become unavailable. The vulnerability affects SAP MDM Server with a CVSS score of 7.5 (high severity) but is limited to availability impact with no confidentiality or integrity compromise. Status of active exploitation (KEV) and proof-of-concept availability are not specified in available intelligence.

Sap Denial Of Service Memory Corruption
NVD
CVSS 3.1
7.5
EPSS
0.1%
CVE-2025-42994 HIGH This Week

Denial-of-service vulnerability in SAP MDM Server's ReadString function that allows unauthenticated remote attackers to trigger memory read access violations causing unexpected server process termination. The vulnerability affects SAP Master Data Management (MDM) Server and has a CVSS score of 7.5 with high availability impact; no confidentiality or integrity compromise occurs. This is a network-accessible denial-of-service vector with low attack complexity and no authentication requirements, making it a significant availability risk for organizations deploying SAP MDM infrastructure.

Sap Denial Of Service Memory Corruption
NVD
CVSS 3.1
7.5
EPSS
0.1%
CVE-2025-5899 MEDIUM PATCH This Month

A security vulnerability in A vulnerability classified as critical (CVSS 5.3). Remediation should follow standard vulnerability management procedures.

Information Disclosure Ubuntu Debian Suse
NVD VulDB
CVSS 3.1
5.3
EPSS
0.0%
CVE-2025-32911 CRITICAL PATCH Act Now

A use-after-free type vulnerability was found in libsoup, in the soup_message_headers_get_content_disposition() function. Rated critical severity (CVSS 9.0), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Buffer Overflow Redhat Suse
NVD
CVSS 3.1
9.0
EPSS
0.6%
CVE-2026-20810
EPSS 0% CVSS 7.8
HIGH This Week

The Windows Ancillary Function Driver for WinSock contains an improper memory deallocation vulnerability (CWE-590) that allows authenticated local attackers to achieve privilege escalation on affected Windows 10 and Windows Server 2019 systems. An attacker with local user privileges can exploit this flaw to gain SYSTEM-level access without user interaction. No patch is currently available for this vulnerability.

Windows Windows Server 2019 Windows 10 21h2 +3
NVD
CVE-2025-54899
EPSS 0% CVSS 7.8
HIGH This Month

Free of memory not on the heap in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Microsoft 365 Apps +3
NVD
CVE-2025-42996
EPSS 0% CVSS 5.6
MEDIUM This Month

SAP MDM Server allows an attacker to gain control of existing client sessions and execute certain functions without having to re-authenticate giving the ability to access or modify non-sensitive information or consume sufficient resources which could degrade the performance of the server causing low impact on confidentiality, integrity and availibility of the application.

Sap Information Disclosure
NVD
CVE-2025-42995
EPSS 0% CVSS 7.5
HIGH This Week

Denial-of-service vulnerability in SAP MDM Server's Read function that allows unauthenticated network attackers to trigger memory read access violations by sending specially crafted packets, causing the server process to crash and become unavailable. The vulnerability affects SAP MDM Server with a CVSS score of 7.5 (high severity) but is limited to availability impact with no confidentiality or integrity compromise. Status of active exploitation (KEV) and proof-of-concept availability are not specified in available intelligence.

Sap Denial Of Service Memory Corruption
NVD
CVE-2025-42994
EPSS 0% CVSS 7.5
HIGH This Week

Denial-of-service vulnerability in SAP MDM Server's ReadString function that allows unauthenticated remote attackers to trigger memory read access violations causing unexpected server process termination. The vulnerability affects SAP Master Data Management (MDM) Server and has a CVSS score of 7.5 with high availability impact; no confidentiality or integrity compromise occurs. This is a network-accessible denial-of-service vector with low attack complexity and no authentication requirements, making it a significant availability risk for organizations deploying SAP MDM infrastructure.

Sap Denial Of Service Memory Corruption
NVD
CVE-2025-5899
EPSS 0% CVSS 5.3
MEDIUM PATCH This Month

A security vulnerability in A vulnerability classified as critical (CVSS 5.3). Remediation should follow standard vulnerability management procedures.

Information Disclosure Ubuntu Debian +1
NVD VulDB
CVE-2025-32911
EPSS 1% CVSS 9.0
CRITICAL PATCH Act Now

A use-after-free type vulnerability was found in libsoup, in the soup_message_headers_get_content_disposition() function. Rated critical severity (CVSS 9.0), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Buffer Overflow Redhat Suse
NVD

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