CVE-2008-4293

CRITICAL

Unspecified vulnerability in Opera before 9.52 on Windows, when registered as a protocol handler, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code vi...

Affects 2 products across 2 vendors.

CVSS 2.010.0
EPSS4.5%
Percentile91th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity.
◆ AI Analysis — automated analysis, not human-reviewed

This vulnerability was disclosed in 2008. A critical vulnerability affects Microsoft systems (CVE-2008-4293). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-2008-GLOBAL-022234-C • Model: rule-based-v1 • Confidence: MEDIUM

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Frequently Asked Questions
What is CVE-2008-4293?
This vulnerability was disclosed in 2008. A critical vulnerability affects Microsoft systems (CVE-2008-4293). No public exploit code is currently available. Isolate affected systems if patching is not feasible.
What is the CVSS score for CVE-2008-4293?
CVE-2008-4293 has CVSS 10.0 (Critical). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. EPSS: 4.5%.
Is CVE-2008-4293 actively exploited?
No confirmed active exploitation of CVE-2008-4293 as of 2026-09-25.
How do I remediate CVE-2008-4293?
Priority: MEDIUM.
What systems are affected by CVE-2008-4293?
CVE-2008-4293 affects Opera Opera.
Vulnerability Details
CVE IDCVE-2008-4293
BSIDBS-2008-GLOBAL-022234-C BreachSpider Global ID
CVSS VectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Published2008-09-27
Last Modified2026-06-16
ICS Relevance0%
SourceNVD
Official Description

Unspecified vulnerability in Opera before 9.52 on Windows, when registered as a protocol handler, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unknown vectors in which Opera is launched by other applications.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

Vulnerability details: Unspecified vulnerability in Opera before 9.52 on Windows, when registered as a protocol handler, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unknown vectors in which Opera is launched by other applications. CVSS vector: AV:N/AC:L/Au:N/C:C/I:C/A:C.

Exploitation Likelihood: LOW

Affected Products
VendorProductAffected Versions
Opera Opera ≤ 9.51

Platforms listed by the source (the vulnerable product runs on these; they are not themselves vulnerable): Microsoft Windows

Remediation

No official vendor advisory link on record. See the CVE record →

Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 6592 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Modelrule-based-v1
ConfidenceMEDIUM
Enriched At2026-05-24
SHA-512 Audit Hash99f09d7db18a61d1856e2e60748636b42d52a92cc823ef8b25599252bf7cd581b5b8bbd62688c52e3b699f4dc04623fdc5c78935c48b1e32960706bbd09b869c
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