What is CVE-2009-2531?

CVE-2009-2531 is a vulnerability in Microsoft Internet Explorer, classified under Code Injection. Published 2009-10-14.

Is CVE-2009-2531 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Microsoft Internet Explorer

CVE-2009-2531

Microsoft Internet Explorer 6, 6 SP1, 7, and 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly initialized or (2) is deleted, leading to memory corruption, aka "Uninitialized Memory Corruption Vulnerability," a different vulnerability than CVE-2009-2530.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.229 (97.5th percentile) — read the EPSS interpretation.

Affected products

Microsoft Internet_explorer — versions 5.01, 6, 7
Microsoft Windows_2000
Microsoft Windows_7
Microsoft Windows_server_2003
Microsoft Windows_server_2008
Microsoft Windows_vista
Microsoft Windows_xp
N/a — versions n/a

Weakness classification (CWE)

CWE-94 — Code Injection

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

secure@microsoft.com (x_refsource_MS, vendor-advisory)
secure@microsoft.com (US Government Resource, x_refsource_CERT, third-party-advisory)
secure@microsoft.com (signature, x_refsource_OVAL, vdb-entry)

Frequently asked questions

What is CVE-2009-2531?: CVE-2009-2531 is a vulnerability in Microsoft Internet Explorer, classified under Code Injection. Published 2009-10-14.
Is CVE-2009-2531 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.