CVE-2016-3305 — The kernel in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold, 1511, and 1607 mishandles session objects, which allows local users to hijack sessions, and consequently gain privileges, via a crafted application, aka "Windows Session Object Elevation of Privilege Vulnerability," a different vulnerability than CVE-2016-3306

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HIGH

The kernel in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold, 1511, and 1607 mishandles session objects, which allows local users to hijack sessions, and consequently gain privileges, via a crafted application, aka "Windows Session Object Elevation of Privilege Vulnerability," a different vulnerability than CVE-2016-3306

Published Sep 14, 2016

7.8

HIGH

CVSS 3.0

EPSS 1.49%

Description

The kernel in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold, 1511, and 1607 mishandles session objects, which allows local users to hijack sessions, and consequently gain privileges, via a crafted application, aka "Windows Session Object Elevation of Privilege Vulnerability," a different vulnerability than CVE-2016-3306.

Remediation

No remediation recorded yet.

Metrics

1.49% 0.01492

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01492

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (12 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	1.49% (0.01492)	73.18th	v5 (v2026.06.15)
Jun 15, 2026	1.49% (0.01492)	70.67th	v5 (v2026.06.15)
Mar 17, 2025	0.54% (0.00539)	65.59th	v4 (v2025.03.14)
Dec 12, 2024	0.04% (0.00045)	18.07th	v3 (v2023.03.01)
Apr 19, 2024	0.04% (0.00045)	14.56th	v3 (v2023.03.01)
Jan 12, 2024	0.04% (0.00045)	12.54th	v3 (v2023.03.01)
Nov 7, 2023	0.05% (0.00047)	14.55th	v3 (v2023.03.01)
Aug 18, 2023	0.05% (0.00053)	19.15th	v3 (v2023.03.01)
Mar 7, 2023	0.06% (0.00057)	21.68th	v3 (v2023.03.01)
Mar 6, 2023	1.42% (0.01418)	73.14th	v2 (v2022.01.01)
Apr 1, 2022	1.42% (0.01418)	71.15th	v2 (v2022.01.01)
Feb 4, 2022	1.42% (0.01418)	50.43th	v2 (v2022.01.01)

Weaknesses (1)

CWE-19

References (3)

http://www.securityfocus.com/bid/92812
vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1036802
vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-111
vendor-advisoryx_refsource_MSPatchVendor Advisory

Link	Providers	Tags
http://www.securityfocus.com/bid/92812		vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1036802		vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-111		vendor-advisoryx_refsource_MSPatchVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner microsoft

Published Sep 14, 2016

Updated Aug 5, 2024

Reserved Mar 15, 2016

Link CVE-2016-3305

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2016-3305

Red Hat

Severity n/a

Public date n/a

Links CVE-2016-3305