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9.3

CVE-2013-3855: Word, Compatibility Pack, Viewer can run malicious code

CVE-2013-3855 · published 13 years ago
Summary

Microsoft Word 2003 and 2007, the Office Compatibility Pack, and Word Viewer can be tricked by a specially crafted document to execute unwanted programs or crash the application. This happens because the program mishandles certain data in the file, corrupting memory. Update the software with the latest patches or stop using these older versions to protect your systems.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
microsoft office_compatibility_pack All versions
cpe:2.3:a:microsoft:office_compatibility_pack:*:sp3:*:*:*:*:*:*
microsoft word 2003
2007
cpe:2.3:a:microsoft:word:2003:sp3:*:*:*:*:*:*
microsoft word_viewer All versions
cpe:2.3:a:microsoft:word_viewer:*:*:*:*:*:*:*:*
Original advisory text
Microsoft Word 2003 SP3 and 2007 SP3, Office Compatibility Pack SP3, and Word Viewer allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted ...
Microsoft Word 2003 SP3 and 2007 SP3, Office Compatibility Pack SP3, and Word Viewer allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted Office document, aka "Word Memory Corruption Vulnerability."
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker full control (estimated)
Severity
9.3 Critical
Exploitation
20% chance of attack within 30 days
Type
CWE-119Buffer Overflow
Timeline
Published11 Sep 2013
Updated29 Sep 2026
First seen29 Sep 2026
Sources
CVE-2013-3855 · NVD
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