June 4, 2025
Proactive Defense: The Importance of Incident Response Planning in Cybersecurity
RedLine Stealer – Active IOCs
April 16, 2025
Multiple Dell Products Vulnerabilities
April 16, 2025
RedLine Stealer – Active IOCs
April 16, 2025
Multiple Dell Products Vulnerabilities
April 16, 2025
Severity
High
Analysis Summary
CVE-2025-21205 CVSS:8.8
Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to execute code over a network.
CVE-2025-21174 CVSS:7.5
Uncontrolled resource consumption in Windows Standards-Based Storage Management Service allows an unauthorized attacker to deny service over a network.
CVE-2025-21197 CVSS:6.5
Improper access control in Windows NTFS allows an authorized attacker to disclose file path information under a folder where the attacker doesn't have permission to list content.
CVE-2025-24073 CVSS:7.8
Improper input validation in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
CVE-2025-24074 CVSS:7.8
Improper input validation in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
CVE-2025-29822 CVSS:7.8
Incomplete list of disallowed inputs in Microsoft Office OneNote allows an unauthorized attacker to bypass a security feature locally.
CVE-2025-27751 CVSS:7.8
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2025-27746 CVSS:7.8
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2025-27742 CVSS:5.5
Out-of-bounds read in Windows NTFS allows an unauthorized attacker to disclose information locally.
CVE-2025-27741 CVSS:7.8
Out-of-bounds read in Windows NTFS allows an unauthorized attacker to elevate privileges locally.
CVE-2025-27740 CVSS:8.8
Weak authentication in Windows Active Directory Certificate Services allows an authorized attacker to elevate privileges over a network.
CVE-2025-27478 CVSS:7
Heap-based buffer overflow in Windows Local Security Authority (LSA) allows an authorized attacker to elevate privileges locally.
CVE-2025-27479 CVSS:7.5
Insufficient resource pool in Windows Kerberos allows an unauthorized attacker to deny service over a network.
CVE-2025-27477 CVSS:8.8
Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to execute code over a network.
CVE-2025-27476 CVSS:7.8
Use after free in Windows Digital Media allows an authorized attacker to elevate privileges locally.
CVE-2025-27472 CVSS:5.4
Protection mechanism failure in Windows Mark of the Web (MOTW) allows an unauthorized attacker to bypass a security feature over a network.
CVE-2025-27474 CVSS:6.5
Use of uninitialized resource in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network.
CVE-2025-27473 CVSS:7.5
Uncontrolled resource consumption in Windows HTTP.sys allows an unauthorized attacker to deny service over a network.
CVE-2025-27471 CVSS:5.9
Sensitive data storage in improperly locked memory in Microsoft Streaming Service allows an unauthorized attacker to deny service over a network.
Impact
- Denial of Service
- Code Execution
- Security Bypass
- Buffer Overflow
- Privilege Escalation
- Information Disclosure
Indicators of Compromise
CVE
- CVE-2025-21205
- CVE-2025-21174
- CVE-2025-21197
- CVE-2025-24073
- CVE-2025-24074
- CVE-2025-29822
- CVE-2025-27751
- CVE-2025-27746
- CVE-2025-27742
- CVE-2025-27741
- CVE-2025-27740
- CVE-2025-27478
- CVE-2025-27479
- CVE-2025-27477
- CVE-2025-27476
- CVE-2025-27472
- CVE-2025-27474
- CVE-2025-27473
- CVE-2025-27471
Affected Vendors
- Microsoft
Affected Products
- Microsoft Windows Server 2022
- Microsoft 365 Apps for Enterprise - 16.0.1
- Microsoft Office 2019 - 19.0.0
- Microsoft Office LTSC 2021 - 16.0.1
- Microsoft Microsoft Office LTSC 2024 - 1.0.0
- Microsoft Excel 2016 - 16.0.0.0
- Microsoft OneNote - 1.0.0
- Microsoft Office Online Server - 1.0.0
- Microsoft Windows 10 Version 1809 - 10.0.17763.0
- Microsoft Windows Server 2019 - 10.0.17763.0
- Microsoft Windows Server 2019 (Server Core installation) - 10.0.17763.0
- Microsoft Windows Server 2022 - 10.0.20348.0
- Microsoft Windows 11 version 22H2 - 10.0.22621.0
- Microsoft Windows 10 Version 22H2 - 10.0.19045.0
- Microsoft Windows Server 2025 (Server Core installation) - 10.0.26100.0
- Microsoft Windows 11 version 22H3 - 10.0.22631.0
- Microsoft Windows Server 2012 (Server Core installation) - 6.2.9200.0
- Microsoft Windows Server 2012 R2 - 6.3.9600.0
- Microsoft Windows Server 2012 R2 (Server Core installation) - 6.3.9600.0
- Microsoft Windows 11 Version 23H2 - 10.0.22631.0
- Microsoft Windows Server 2012 - 6.2.9200.0
- Microsoft Windows 11 Version 24H2 - 10.0.26100.0
- Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) - 6.0.6003.0
- Microsoft Windows Server 2008 Service Pack 2 - 6.0.6003.0
- Microsoft Windows Server 2016 - 10.0.14393.0
- Microsoft Windows Server 2016 (Server Core installation) - 10.0.14393.0
- Microsoft Windows 10 Version 21H2 - 10.0.19043.0
- Microsoft Windows Server 2025 - 10.0.26100.0
- Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) - 6.1.7601.0
- Microsoft Windows 10 Version 1607 - 10.0.14393.0
- Microsoft Windows Server 2008 R2 Service Pack 1 - 6.1.7601.0
- Microsoft Windows 10 Version 1507
- Microsoft Office LTSC for Mac 2021 - N/A
- Microsoft Office LTSC for Mac 2024 - N/A
- Microsoft OneNote 2016 - 16.0.0
- Microsoft SharePoint Server Subscription Edition Language Pack - 16.0.0
Remediation
Use Microsoft Automatic Update to apply the appropriate patch for your system, or the Microsoft Security Update Guide to search for available patches.
