How severe is CVE-2004-0723?

CVE-2004-0723 has a CVSS 2.0 base score of 6.4, rated medium severity.

Is CVE-2004-0723 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2004-0723?

CVE-2004-0723 affects Microsoft Java Virtual Machine. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2004-0723?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2004-0723 published?

CVE-2004-0723 was published on 2004-07-27 and last updated on 2026-06-16.

CVE-2004-0723

CVE-2004-0723 is a medium-severity vulnerability in Microsoft Java Virtual Machine with a CVSS 2.0 base score of 6.4. Its EPSS exploit-prediction score of 13% places it in the 96th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: Medium (CVSS 2.0 base score 6.4)
EPSS exploit prediction: 13% (96th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Java Virtual Machine
Published: 2004-07-27
Last modified: 2026-06-16

Description

Microsoft Java virtual machine (VM) 5.0.0.3810 allows remote attackers to bypass sandbox restrictions to read or write certain data between applets from different domains via the "GET/Key" and "PUT/Key/Value" commands, aka "cross-site Java."

Frequently asked questions

What is CVE-2004-0723?: Microsoft Java virtual machine (VM) 5.0.0.3810 allows remote attackers to bypass sandbox restrictions to read or write certain data between applets from different domains via the "GET/Key" and "PUT/Key/Value" commands, aka "cross-site Java."
How severe is CVE-2004-0723?: CVE-2004-0723 has a CVSS 2.0 base score of 6.4, rated medium severity.
Is CVE-2004-0723 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-0723?: CVE-2004-0723 affects Microsoft Java Virtual Machine. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2004-0723?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2004-0723 published?: CVE-2004-0723 was published on 2004-07-27 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:microsoft:java_virtual_machine:5.0.0.3810:*:*:*:*:*:*:*

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