Is CVE-2009-1534 actively exploited?

CVE-2009-1534 has no public evidence of in-the-wild exploitation as of 2026-04-23.

What is the CVSS score for CVE-2009-1534?

CVE-2009-1534 has a CVSS score of 9.3 (UNKNOWN severity). Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C.

How do I patch CVE-2009-1534?

Patch guidance is available from microsoft security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2009-1534.

CVE-2009-1534 - remediation guidance & executive summary

Q: Which products are affected by CVE-2009-1534?

11 products: microsoft isa server, microsoft isa server, microsoft isa server, microsoft isa server, microsoft office, and 6 more.

Description

Buffer overflow in the Office Web Components ActiveX Control in Microsoft Office XP SP3, Office 2000 Web Components SP3, Office XP Web Components SP3, BizTalk Server 2002, and Visual Studio .NET 2003 SP1 allows remote attackers to execute arbitrary code via crafted property values, aka "Office Web Components Buffer Overflow Vulnerability."

CVSS Metrics

Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C
Access Vector: network
Access Cmplx: medium
Auth: none
Confidentiality: complete
Integrity: complete
Availability: complete
Weaknesses: CWE-119 · Memory Buffer Errors

Metadata

Primary Vendor: MICROSOFT
Published: 8/12/2009
Last Modified: 4/23/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

microsoft : isa_servermicrosoft : isa_servermicrosoft : isa_servermicrosoft : isa_servermicrosoft : officemicrosoft : officemicrosoft : officemicrosoft : office_web_componentsmicrosoft : office_web_componentsmicrosoft : office_web_componentsmicrosoft : office_web_components

Remediation Guidance

Executive Summary

View on NIST NVD