What is CVE-2011-5046?

CVE-2011-5046 is a vulnerability in Microsoft Windows 7, classified under Improper Input Validation. Published 2011-12-30.

Is CVE-2011-5046 known to be exploited?

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

Improper input validation in Microsoft Windows 7

CVE-2011-5046

The Graphics Device Interface (GDI) in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly validate user-mode input, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted data, as demonstrated by a large height attribute of an IFRAME element rendered by Safari, aka "GDI Access Violation Vulnerability."

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2011-12-30 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 9.3 (High). Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.453 (98.8th percentile), scored 2026-10-02.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.453 · newest: 0.453 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

References

www.us-cert.gov/cas/techalerts/TA12-045A.html (US Government Resource, third-party-advisory)
twitter.com/w3bd3vil/statuses/148454992989261824
docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-008 (vendor-advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/71873 (vdb-entry)
osvdb.org/77908 (vdb-entry)
oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:14603 (signature, vdb-entry)
secunia.com/advisories/47237 (Vendor Advisory, third-party-advisory)
www.exploit-db.com/exploits/18275 (Exploit, exploit)
www.securitytracker.com/id (vdb-entry)

Frequently asked questions

What is CVE-2011-5046?: CVE-2011-5046 is a vulnerability in Microsoft Windows 7, classified under Improper Input Validation. Published 2011-12-30.
Is CVE-2011-5046 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.