CVE-2008-0113Excel Viewer Code Injection
Unspecified vulnerability in Microsoft Office Excel Viewer 2003 up to SP3 allows user-assisted remote attackers to execute arbitrary code via an Excel document with malformed cell comments that trigger memory corruption from an "allocation error," aka "Microsoft Office Cell…
Published Mar 11, 2008 · Updated Apr 22, 2026
Key Facts
Patch immediately- CVE-2008-0113 is a critical-severity vulnerability (CVSS 9.3 v2) affecting Excel Viewer (Microsoft).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 42% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v2
9.3
AV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS (30-day exploit likelihood)
42%
Higher than 98.6% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
43/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Advisories And Exploit References
- advisory29321
- advisoryADV-2008-0848
Description
Unspecified vulnerability in Microsoft Office Excel Viewer 2003 up to SP3 allows user-assisted remote attackers to execute arbitrary code via an Excel document with malformed cell comments that trigger memory corruption from an "allocation error," aka "Microsoft Office Cell Parsing Memory Corruption Vulnerability."
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Excel ViewerMicrosoft | 2003 | n/a |
Timeline
Publicly disclosed
Mar 11, 2008
Last updated
Apr 22, 2026
Weakness Type
- CWE-94 Improper Control of Generation of Code ('Code Injection')
References
- advisory29321
- advisoryADV-2008-0848
- exploitExploitDB-5320
- otherSSRT080028
- otherMS08-016
FAQ
Common Questions.
Unspecified vulnerability in Microsoft Office Excel Viewer 2003 up to SP3 allows user-assisted remote attackers to execute arbitrary code via an Excel document with malformed cell comments that trigger memory corruption from an "allocation error," aka "Microsoft Office Cell Parsing Memory Corruption Vulnerability."
Affected: Excel Viewer (Microsoft) versions 2003. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2008-0113 On Your Attack Surface?
Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.
Request A Demo