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CVE-2009-0562

35
FAUCET Score

CVE-2009-0562 describes a critical memory allocation vulnerability in the Office Web Components ActiveX Control affecting various Microsoft Office, ISA Server, and Office Small Business Accounting products. This flaw allows remote attackers to execute arbitrary code by corrupting system state. With a CVSS score of 9.3 and a FAUCET Risk Score of 98/100, this vulnerability is highly severe, indicating a network-based attack with medium complexity that can lead to complete compromise of confidentiality, integrity, and availability. Despite its high severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
2004CPE matchmatch criteria
cpe:2.3:a:microsoft:isa_server:2004:sp3:enterprise:*:*:*:*:*
2004CPE matchmatch criteria
cpe:2.3:a:microsoft:isa_server:2004:sp3:standard:*:*:*:*:*
2006CPE matchmatch criteria
cpe:2.3:a:microsoft:isa_server:2006:sp1:enterprise:*:*:*:*:*
2006CPE matchmatch criteria
cpe:2.3:a:microsoft:isa_server:2006:sp1:standard:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:microsoft:office:-:*:small_business_accounting_2006:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

AV:N/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
25.65%
Probability of exploitation in next 30 days
EPSS Percentile
97.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.2565 is in the 91st percentile among its peer group of 8,914 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

docs.microsoft.com / en-us/security-updates/securitybulletins/2009/ms09-043
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6337
securitytracker.com / id
us-cert.gov / cas/techalerts/TA09-223A.html
US Government Resource