How severe is CVE-2007-5344?

CVE-2007-5344 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2007-5344 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 27% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-5344?

CVE-2007-5344 primarily affects Microsoft Ie. In total, 30 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-5344?

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

When was CVE-2007-5344 published?

CVE-2007-5344 was published on 2007-12-12 and last updated on 2026-06-16.

CVE-2007-5344

CVE-2007-5344 is a medium-severity vulnerability in Microsoft Ie with a CVSS 2.0 base score of 6.8. Its EPSS exploit-prediction score of 27% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-94.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 27% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Microsoft Ie
Published: 2007-12-12
Last modified: 2026-06-16

Description

Microsoft Internet Explorer 5.01 through 7 allows remote attackers to execute arbitrary code via a crafted website using Javascript that creates, modifies, deletes, and accesses document objects using the tags property, which triggers heap corruption, related to uninitialized or deleted objects, a different issue than CVE-2007-3902 and CVE-2007-3903, and a variant of "Uninitialized Memory Corruption Vulnerability."

Frequently asked questions

What is CVE-2007-5344?: Microsoft Internet Explorer 5.01 through 7 allows remote attackers to execute arbitrary code via a crafted website using Javascript that creates, modifies, deletes, and accesses document objects using the tags property, which triggers heap corruption, related to uninitialized or deleted objects, a different issue than CVE-2007-3902 and CVE-2007-3903, and a variant of "Uninitialized Memory Corruption Vulnerability."
How severe is CVE-2007-5344?: CVE-2007-5344 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2007-5344 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 27% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-5344?: CVE-2007-5344 primarily affects Microsoft Ie. In total, 30 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-5344?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-5344 published?: CVE-2007-5344 was published on 2007-12-12 and last updated on 2026-06-16.

References

Affected products (30)

cpe:2.3:a:microsoft:ie:5.x:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:ie:6.0:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:ie:6.0:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:5:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:5.01:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:5.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:5.01:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:5.01:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:5.01:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:5.01:sp4:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:5.2.3:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:5.5:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:5.5:preview:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:5.5:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:5.5:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:6:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:6:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:6.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:6.0.2600:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:6.0.2800:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:6.0.2800.1106:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:6.0.2900:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:6.0.2900.2180:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:7:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:7.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:7.0:beta:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:7.0:beta1:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:7.0:beta2:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:7.0:beta3:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:7.0.5730.11:*:*:*:*:*:*:*

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