CVE-2015-1642
Published: March 3, 2022
Official Description
Microsoft Office contains a memory corruption vulnerability that allows remote attackers to execute arbitrary code via a crafted document.
CISA KEV Advisory
Microsoft Office Memory Corruption Vulnerability
Microsoft Office contains a memory corruption vulnerability that allows remote attackers to execute arbitrary code via a crafted document.
Apply updates per vendor instructions.
Risk Analysis
Microsoft Office contains a memory corruption vulnerability that allows remote attackers to execute arbitrary code through a specially crafted document. With an EPSS score of 0.72879 and confirmed exploitation by CISA (is_in_kev: true), this is a high-priority vulnerability that is actively being exploited.
This vulnerability is actively exploited in the wild, indicating a severe and immediate risk. Its inclusion in CISA's KEV confirms its active use by attackers.
Apply the latest security updates for Microsoft Office to address this memory corruption vulnerability. Exercise caution when opening untrusted documents and ensure robust email and document scanning solutions are in place.
Technical Analysis
CVE-2015-1642 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2015-1642 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Affected Vendors & Products
Exploit & PoC Resources
All References (1)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2015-1642 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1