Buffer overflow in Microsoft Silverlight
CVE-2016-3367
StringBuilder in Microsoft Silverlight 5 before 5.1.50709.0 does not properly allocate memory for string-insert and string-append operations, which allows remote attackers to execute arbitrary code via a crafted web site, aka "Microsoft Silverlight Memory Corruption Vulnerability."
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.178 (97.1th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.163 · newest: 0.178 · change: +0.015
Affected products
- Microsoft Silverlight — versions 5.0
Weakness classification (CWE)
References
- docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-109 (vendor-advisory)
- www.securitytracker.com/id/1036795 (vdb-entry)
- www.securityfocus.com/bid/92837 (vdb-entry)
Frequently asked questions
- What is CVE-2016-3367?
- CVE-2016-3367 is a high-severity vulnerability in Microsoft Silverlight, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2016-09-14.
- How severe is CVE-2016-3367?
- High severity. CVSS v3 base score is 8.8 out of 10.