Is CVE-2015-1641 actively exploited?

Yes. CVE-2015-1641 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2015-1641 be exploited remotely?

The attack vector of CVE-2015-1641 has not been classified yet.

What is the CVSS score of CVE-2015-1641?

CVE-2015-1641 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2015-1641

HIGHCISA KEVIN THE WILD

CVE-2015-1641

Published: November 3, 2021

EPSS:93.62%probability of exploitation in 30 daysPercentile:99.8th

Official Description

Microsoft Office contains a memory corruption vulnerability due to failure to properly handle rich text format files in memory. Successful exploitation allows for remote code execution in the context of the current user.

NVD Source

CISA KEV Advisory

Microsoft Office Memory Corruption Vulnerability

Added to KEV: 2021-11-03Federal patch deadline: 2022-05-03

Required Action (CISA)

Apply updates per vendor instructions.

Risk Analysis

This Microsoft Office vulnerability involves memory corruption when handling rich text format files, which can lead to remote code execution in the context of the current user. Its high EPSS score of 0.93624 and inclusion in CISA's KEV indicate a significant and actively exploited risk.

This vulnerability is actively being exploited in the wild. The flaw is remotely exploitable through specially crafted rich text format files.

Recommended Action

Apply the latest security updates for Microsoft Office. Exercise caution when opening unsolicited or suspicious rich text format files.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2015-1641 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-2015-1641 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.