CVE-2009-0563

Microsoft Office: Buffer Overflow

As of , CVE-2009-0563 in Microsoft Office is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.

Exploited
Yes: CISA listed it on 8 June 2022
US federal deadline
22 June 202214 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Not known to CISA
EPSS score
0.63Higher than 99% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
EPSS when listed
0.58 on 8 June 2022EPSS on the day CISA listed it.
Public exploit
None foundNeither Metasploit nor Exploit-DB lists one.
Fix
No vendor link in CISA's entry

What CISA says to do

Apply updates per vendor instructions.

CISA's required action

What the flaw is

Microsoft Office contains a buffer overflow vulnerability that allows remote attackers to execute code via a Word document with a crafted tag containing an invalid length field.

CISA's description

Stack-based buffer overflow in Microsoft Office Word 2002 SP3, 2003 SP3, and 2007 SP1 and SP2; Microsoft Office for Mac 2004 and 2008; Open XML File Format Converter for Mac; Microsoft Office Word Viewer 2003 SP3; Microsoft Office Word Viewer; and Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2 allows remote attackers to execute arbitrary code via a Word document with a crafted tag containing an invalid length field, aka "Word Buffer Overflow Vulnerability."

The CVE record's description, from microsoft

CVE published
10 June 2009
Assigned by
microsoft
CVSS
7.8 High (CVSS 3.1, from CISA-ADP)
CWE-787
Out-of-bounds Write
CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CISA SSVC, exploitation
active
CISA SSVC, automatable
no
CISA SSVC, technical impact
total

Timeline

  1. The CVE record was published.
  2. CISA added it to its list of exploited vulnerabilities.
  3. The US federal deadline to fix it.

Office: other exploited entries

VulnerabilityProductOur groupListedDeadlineEPSS
CVE-2010-3333Stack-based Buffer OverflowMicrosoft OfficePatch this weekMetasploit module; EPSS 0.89; verified Exploit-DB entry0.89
CVE-2016-3235OLE DLL Side LoadingMicrosoft OfficePatch this weekMetasploit module; verified Exploit-DB entry0.43
CVE-2017-11882Memory CorruptionMicrosoft OfficePatch this weekRansomware use; Metasploit module; EPSS 0.990.99
CVE-2026-21509Security Feature BypassMicrosoft OfficePatch this weekEPSS 0.710.71
CVE-2009-0556PowerPoint Code InjectionMicrosoft OfficePatch this weekEPSS 0.670.67
CVE-2023-23397Outlook Privilege EscalationMicrosoft OfficePatch this weekEPSS 0.970.97
CVE-2013-1331Buffer OverflowMicrosoft OfficePatch this weekEPSS 0.800.80
CVE-2012-1856MSCOMCTL.OCX Remote Code ExecutionMicrosoft OfficePatch this weekEPSS 0.720.72
CVE-2015-2545Malformed EPS FileMicrosoft OfficePatch this weekEPSS 0.860.86
CVE-2016-7193Memory CorruptionMicrosoft OfficePatch this weekEPSS 0.580.58

All 29 entries for Office

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