CVE-2008-1898
CriticalExploitedPublic exploitA certain ActiveX control in WkImgSrv.dll 7.03.0616.0, as distributed in Microsoft Works 7 and Microsoft Office 2003 and 2007, allows remote attackers to execute arbitrary code or cause a denial of service (browser crash) via an invalid WksPictureInterface property value, which…
Published Apr 21, 2008 · Updated Apr 22, 2026
Key Facts
Patch immediately- CVE-2008-1898 is a critical-severity vulnerability (CVSS 9.3 v2) affecting Office (Microsoft), Works (Microsoft).
- It is exploited in the wild, listed in Industry KEV feed since Apr 21, 2011. Public exploit code is available.
- EPSS estimates a 52% 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 it is listed as exploited in the wild.
CVSS v2
9.3
AV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS (30-day exploit likelihood)
52%
Higher than 98.9% of all scored CVEs
Exploited in the wild
Yes
1 catalog listing
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2008-1898 brief as a PDF
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Description
A certain ActiveX control in WkImgSrv.dll 7.03.0616.0, as distributed in Microsoft Works 7 and Microsoft Office 2003 and 2007, allows remote attackers to execute arbitrary code or cause a denial of service (browser crash) via an invalid WksPictureInterface property value, which triggers an improper function call.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Apr 21, 2011 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
3 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| OfficeMicrosoft | 2003, 2007 | n/a |
| WorksMicrosoft | 7.0 | n/a |
Timeline
Publicly disclosed
Apr 21, 2008
Added to Industry KEV feed
Apr 21, 2011
Last updated
Apr 22, 2026
Weakness Type
- CWE-20 Improper Input Validation
References
- exploit20080502 Microsoft Work ActiveX Insecure Method Exploit
- exploitMSF msworks_wkspictureinterface.rb
- exploitVulnCheck exploitation report
- exploitExploitDB-16649
- exploit28820
FAQ
Common Questions.
A certain ActiveX control in WkImgSrv.dll 7.03.0616.0, as distributed in Microsoft Works 7 and Microsoft Office 2003 and 2007, allows remote attackers to execute arbitrary code or cause a denial of service (browser crash) via an invalid WksPictureInterface property value, which triggers an improper function call.
Affected: Office (Microsoft) versions 2003, 2007; Works (Microsoft) versions 7.0. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Apr 21, 2011.
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 it is listed as exploited in the wild.
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