What is CVE-2016-5308?

CVE-2016-5308 is a medium-severity vulnerability in Microsoft Windows, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.5/10. Published 2016-07-12.

How severe is CVE-2016-5308?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Buffer overflow in Microsoft Windows

CVE-2016-5308

The Client Intrusion Detection System (CIDS) driver before 15.0.6 in Symantec Endpoint Protection (SEP) and before 15.1.2 in Norton Security allows remote attackers to cause a denial of service (memory corruption and system crash) via a malformed Portable Executable (PE) file.

Vulnerability class: Buffer Overflow

Published 2016-07-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.024 (83.5th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

www.securitytracker.com/id/1036265 (VDB Entry, Third Party Advisory, vdb-entry)
www.symantec.com/security_response/securityupdates/detail.jsp (Vendor Advisory)
www.securitytracker.com/id/1036264 (VDB Entry, Third Party Advisory, vdb-entry)
www.securityfocus.com/bid/91608 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2016-5308?: CVE-2016-5308 is a medium-severity vulnerability in Microsoft Windows, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.5/10. Published 2016-07-12.
How severe is CVE-2016-5308?: Medium severity. CVSS v3 base score is 5.5 out of 10.