Skip to content
On CISA KEVMedium

CVE-2007-5347Internet Explorer Vulnerability

Microsoft Internet Explorer 5.01 through 7 allows remote attackers to execute arbitrary code via "unexpected method calls to HTML objects," aka "DHTML Object Memory Corruption Vulnerability."

Published Dec 11, 2007 · Updated Apr 22, 2026

Key Facts

Patch immediately
  • CVE-2007-5347 is a medium-severity vulnerability (CVSS 6.8 v2) affecting Ie (Microsoft), Internet Explorer (Microsoft).
  • It is exploited in the wild, listed in Industry KEV feed since Dec 20, 2007. No public exploit code is known.
  • EPSS estimates a 28% probability of exploitation in the next 30 days.
  • No fixed version is listed yet; check the vendor advisory for mitigations.
  • Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Scores

CVSS v2

6.8

AV:N/AC:M/Au:N/C:P/I:P/A:P

EPSS (30-day exploit likelihood)

28%

Higher than 98.1% of all scored CVEs

Exploit maturity

Exploited (KEV)

ATLAS score

41/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Dec 20, 2007

9 days after publication

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Exploited (KEV)

Public exploit code

0

Proof-of-concept links

In-the-wild evidence

1

Reports of active use

Description

Microsoft Internet Explorer 5.01 through 7 allows remote attackers to execute arbitrary code via "unexpected method calls to HTML objects," aka "DHTML Object Memory Corruption Vulnerability."

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
Industry KEV feedDec 20, 2007n/aNot reported

Affected Products

30 affected entries in total
ProductAffected versionsFixed in
IeMicrosoft5.x, 6.0-sp1, 6.0-sp2n/a
Internet ExplorerMicrosoft5, 5.01, 5.01-sp1, 5.01-sp2, 5.01-sp3, 5.01-sp4, 5.1, 5.2.3n/a

Timeline

  1. Publicly disclosed

    Dec 11, 2007

  2. Added to Industry KEV feed

    Dec 20, 2007

  3. Last updated

    Apr 22, 2026

Weakness Type

  • CWE-399

References

5 more references in the full CVE brief

FAQ

Common Questions.

Is CVE-2007-5347 On Your Attack Surface?

Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.

Request A Demo

More vulnerabilities

Figures as of Oct 23, 2026. Compiled by Brandefense technologies from public vulnerability catalogs; scoring as described in How it works.

To report an error, contact Brandefense.