What is CVE-2016-0135?

CVE-2016-0135 is a high-severity vulnerability in Microsoft Windows 10, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.4/10. Published 2016-04-12.

How severe is CVE-2016-0135?

High severity. CVSS v3 base score is 8.4 out of 10.

Buffer overflow in Microsoft Windows 10

CVE-2016-0135

The Secondary Logon Service in Microsoft Windows 10 Gold and 1511 allows local users to gain privileges via a crafted application, aka "Secondary Logon Elevation of Privilege Vulnerability."

Vulnerability class: Buffer Overflow

Published 2016-04-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.016 (74.5th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000

Affected products

Microsoft Windows 10 — versions 1511

Weakness classification (CWE)

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

References

docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-046 (vendor-advisory)
www.securitytracker.com/id/1035541 (Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2016-0135?: CVE-2016-0135 is a high-severity vulnerability in Microsoft Windows 10, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.4/10. Published 2016-04-12.
How severe is CVE-2016-0135?: High severity. CVSS v3 base score is 8.4 out of 10.