Buffer overflow in Microsoft Windows 7
CVE-2014-6332
OleAut32.dll in OLE in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows remote attackers to execute arbitrary code via a crafted web site, as demonstrated by an array-redimensioning attempt that triggers improper handling of a size value in the SafeArrayDimen function, aka "Windows OLE Automation Array Remote Code Execution Vulnerability."
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.949 (99.9th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.950 · newest: 0.949 · change: -0.001
Affected products
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
References
- www.exploit-db.com/exploits/37668/ (Exploit, VDB Entry, Third Party Advisory, exploit)
- www.exploit-db.com/exploits/37800/ (Exploit, VDB Entry, Third Party Advisory, exploit)
- www.kb.cert.org/vuls/id/158647 (US Government Resource, Third Party Advisory, third-party-advisory)
- www.exploit-db.com/exploits/38512/ (Exploit, VDB Entry, Third Party Advisory, exploit)
- www.us-cert.gov/ncas/alerts/TA14-318B (US Government Resource, Third Party Advisory, third-party-advisory)
- docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-064 (vendor-advisory, Patch, Vendor Advisory)
- packetstormsecurity.com/files/134062/HTML-Compiler-Remote-Code-Execution.html (Exploit, VDB Entry, Third Party Advisory)
- www.securityfocus.com/bid/70952 (VDB Entry, Third Party Advisory, vdb-entry)
- packetstormsecurity.com/files/134064/Microsoft-Compiled-HTML-Help-Remote-Code-E… (Exploit, VDB Entry, Third Party Advisory)
- packetstormsecurity.com/files/134053/Avant-Browser-Lite-Ultimate-Remote-Code-Ex… (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2014-6332?
- CVE-2014-6332 is a high-severity vulnerability in Microsoft Windows 7, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2014-11-11.
- How severe is CVE-2014-6332?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2014-6332 known to be exploited?
- Yes. CVE-2014-6332 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-25), indicating it is being actively exploited. 27 public proof-of-concept repositories are indexed.