CVE-2008-4265

Office Excel vulnerability

CVSS

9.3

EPSS

24.6%

EPSS pct

98th

Exploited

No known

Microsoft Office Excel 2000 SP3 allows remote attackers to execute arbitrary code via a crafted Excel spreadsheet that contains a malformed object, which triggers memory corruption during the loading of records from this spreadsheet, aka "File Format Parsing Vulnerability."

Affected vendor

Microsoft

Affected product

Office Excel

CVSS vector

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

Weakness type (CWE)

CWE-399

Published

2008-12-10

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium attack complexity, requiring no authentication. Successful exploitation leads to complete impact to confidentiality, complete impact to integrity, complete impact to availability.

Its EPSS score of 24.6% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2008-4265

Confirm whether Microsoft Office Excel is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2008-4265.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2008-4265

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2008-4265 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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