CVE-2003-0528

CRITICAL

Heap-based buffer overflow in the Distributed Component Object Model (DCOM) interface in the RPCSS Service allows remote attackers to execute arbitrary code via a malformed RPC request with a long ...

Affects 4 products across 1 vendor.

BCS7.96
CVSS 2.010.0
EPSS41.0%
Percentile99th
PatchPatched
CVSS Vector — Plain English Remotely exploitable over the network, low complexity.
◆ SAGE Intelligence — CITED Relevance Research Team

This vulnerability was disclosed in 2003. A critical vulnerability affects Microsoft systems (CVE-2003-0528). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-2003-GLOBAL-344895-C • Model: rule-based-v1 • Confidence: MEDIUM

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Frequently Asked Questions
What is CVE-2003-0528?
This vulnerability was disclosed in 2003. A critical vulnerability affects Microsoft systems (CVE-2003-0528). No public exploit code is currently available. Isolate affected systems if patching is not feasible.
What is the CVSS score for CVE-2003-0528?
CVE-2003-0528 has CVSS 10.0 (Critical). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. EPSS: 41.0%.
Is CVE-2003-0528 actively exploited?
No confirmed active exploitation of CVE-2003-0528 as of 2026-05-30.
How do I remediate CVE-2003-0528?
Priority: MEDIUM. Advisory: http://www.cert.org/advisories/CA-2003-23.html
What systems are affected by CVE-2003-0528?
CVE-2003-0528 affects: Microsoft, Microsoft, Microsoft, Microsoft.
Vulnerability Details
CVE IDCVE-2003-0528
BSIDBS-2003-GLOBAL-344895-C BreachSpider Global ID
CVSS VectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Published2003-09-17
Last Modified2026-04-16
ICS Relevance0%
SourceNVD
Official Description

Heap-based buffer overflow in the Distributed Component Object Model (DCOM) interface in the RPCSS Service allows remote attackers to execute arbitrary code via a malformed RPC request with a long filename parameter, a different vulnerability than CVE-2003-0352 (Blaster/Nachi) and CVE-2003-0715.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

Vulnerability details: Heap-based buffer overflow in the Distributed Component Object Model (DCOM) interface in the RPCSS Service allows remote attackers to execute arbitrary code via a malformed RPC request with a long filename parameter, a different vulnerability than CVE-2003-0352 (Blaster/Nachi) and CVE-2003-0715. CVSS vector: AV:N/AC:L/Au:N/C:C/I:C/A:C.

Exploitation Likelihood: MEDIUM

Affected Products
VendorProductFixed Version
Microsoft Windows Nt —
Microsoft Windows 2000 —
Microsoft Windows Xp —
Microsoft Windows 2003 Server —
Remediation
View Vendor Advisory →

Remediation Priority: MEDIUM

Threat Intelligence
● Threat Intelligence Validated: August 2026 | Threat Age: 8359 Days
CISA KEVNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
SAGE Enrichment Record — provenance & audit hash
Modelrule-based-v1
ConfidenceMEDIUM
Enriched At2026-05-24
SHA-512 Audit Hash2cdf9108f72a3dbf5ba3ed5ad33f0a061ae160be8cb175128609aabe0cc6cf163429805ae97669d414bdcecd09897fe17ba68510b24203af20b10f4aa040c2db
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