{"id":53935,"date":"2025-06-21T16:09:21","date_gmt":"2025-06-21T16:09:21","guid":{"rendered":""},"modified":"2025-09-03T09:05:21","modified_gmt":"2025-09-03T15:05:21","slug":"cve-2025-47164-code-execution-vulnerability-in-microsoft-office-via-use-after-free-error","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-47164-code-execution-vulnerability-in-microsoft-office-via-use-after-free-error\/","title":{"rendered":"CVE-2025-47164: Code Execution Vulnerability in Microsoft Office via Use After Free Error<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

In the ever-evolving landscape of cybersecurity, vulnerabilities often emerge that compromise the security of systems, leading to potential data leakage or system compromise. One such vulnerability is the CVE-2025-47164, which affects users of Microsoft Office. This vulnerability allows unauthorized attackers to execute code locally<\/a>, thereby causing a potential threat to user data. Given the widespread use of Microsoft Office<\/a> globally, this vulnerability creates a significant risk that needs immediate attention and mitigation.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2025-47164
\nSeverity: High (8.4\/10 on CVSS v3.0 Severity Scale)
\nAttack Vector: Local
\nPrivileges Required: None
\nUser Interaction: Required
\nImpact: Unauthorized code execution leading to potential system<\/a> compromise or data leakage<\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

Microsoft Office<\/a> | All versions prior to the vendor patch<\/p>\n

How the Exploit Works<\/strong><\/p>\n

The exploit works by taking advantage of the Use After Free vulnerability in Microsoft Office<\/a>. In essence, a Use After Free condition is a type of memory corruption<\/a> flaw that can be leveraged by attackers to execute arbitrary code. This vulnerability arises when a program continues to use a pointer<\/a> after it has been freed, causing an application to behave unpredictably. In this case, an attacker who successfully exploits this vulnerability could run arbitrary code<\/a> in the context of the current user, leading to unauthorized system access or data leakage.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

A conceptual example of how this vulnerability might be exploited is illustrated<\/a> below:<\/p>\n

\/\/ A simple C program to demonstrate use after free vulnerability\n#include \n#include \nint main(void)\n{\n\/\/ Allocating memory to p\nint* p = malloc(10 * sizeof(int));\n\/\/ Freeing p\nfree(p);\n\/\/ Accessing a memory location after free\nprintf(\"%d\\n\", *(p+2));\nreturn 0;\n}<\/code><\/pre>\n
In this example, we are allocating memory<\/a> to a pointer `p` and then freeing it. However, after freeing `p`, we are again trying to access a memory location associated with it. This is the core of the Use After Free vulnerability, and in the context of Microsoft Office, an attacker could manipulate such a vulnerability to execute arbitrary code<\/a>.
\nTo protect your system from this vulnerability<\/a>, apply the vendor patch provided by Microsoft, or use a Web Application Firewall (WAF) or Intrusion Detection System (IDS) as a temporary mitigation.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview In the ever-evolving landscape of cybersecurity, vulnerabilities often emerge that compromise the security of systems, leading to potential data leakage or system compromise. One such vulnerability is the CVE-2025-47164, which affects users of Microsoft Office. This vulnerability allows unauthorized attackers to execute code locally, thereby causing a potential threat to user data. Given the […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[82],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-53935","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-microsoft"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t