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Full vulnerability report · 2016
CVE-2016-0173High confidence

Affected product: security vulnerability

Unknown · Unknown

7.8HighCVSS 3.0
Recommended action
Within 7 days

High technical severity; prioritise exposed affected systems while verifying vendor guidance.

Patch available
R
Operational reassessment

Published severity in operational context

Open reassessment dashboard →
Published severityHighOperational priority:Medium, lowered one band.downgradedsince 5 Aug 2024

Evidence used

  • No CISA KEV confirmation is currently recorded.
  • Exploitation requires an existing local or physical foothold with privileges.
  • EPSS is 3.66% for the current model date.

Compensating controls

  • Validate the affected product branch and deploy the verified fixed release.
  • Restrict local access and enforce least privilege on affected hosts.
  • Monitor vendor guidance and exploitation sources for a material change.

Verification

  1. Confirm that the asset runs Unknown Unknown and falls inside the recorded affected range.
  2. Verify the installed build against the product-specific fixed version after deployment.
  3. Validate exposure, authentication requirements and compensating controls in the actual environment.
  4. Reopen this reassessment when CVSS, KEV, EPSS, exploit evidence or remediation changes.
Mitigation target: As exposure requiresRemediation target: Within 365 days

This automated reassessment organises public evidence. It does not know asset exposure, business impact or control effectiveness and does not replace CVSS or a human risk decision.

Optional official sources

National CERT insights
?CERT means Computer Emergency Response Team; CSIRT is the closely related term Computer Security Incident Response Team.

Choose official national sources for this report. Each advisory shows its original language. Your selection is remembered on this device and included in shared links.

Official European source

ENISA European Vulnerability Database

Official EUVD identifiers, advisory evidence and known-exploited context. Missing fields are not treated as evidence of low risk.

1 current
ENISA EUVD identifier

EUVD-2016-0211

No EUVD known-exploited evidence

ENISA has published the identifier mapping but no EUVD description has been stored yet.

EUVD state
Present in the current official mapping
Known exploitation
Not present in the current ENISA EUVD known-exploited dataset. This is not proof of no exploitation.
ENISA score
Not supplied in the stored EUVD record
Advisory evidence
No linked advisory details stored yet
Recommended actionWithin 7 days

High technical severity; prioritise exposed affected systems while verifying vendor guidance.

Patch available
01

What, why and how

The kernel-mode drivers 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 and 1511 allow local users to gain privileges via a crafted application, aka "Win32k Elevation of Privilege Vulnerability," a different vulnerability than CVE-2016-0171, CVE-2016-0174, and CVE-2016-0196.

What

The kernel-mode drivers 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 and 1511 allow local users to gain privileges via a crafted application, aka "Win32k Elevation of Privilege Vulnerability," a different vulnerability than CVE-2016-0171, CVE-2016-0174, and CVE-2016-0196.

Why

The current structured CVE record identifies a security weakness, but the root cause requires confirmation in the linked vendor material.

How

An attacker operating through local access may attempt exploitation with low privileges. If successful, the issue may gain additional privileges.

What

The kernel-mode drivers 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 and 1511 allow local users to gain privileges via a crafted application, aka "Win32k Elevation of Privilege Vulnerability," a different vulnerability than CVE-2016-0171, CVE-2016-0174, and CVE-2016-0196.

Why

The current structured CVE record identifies a security weakness, but the root cause requires confirmation in the linked vendor material.

How

An attacker operating through local access may attempt exploitation with low privileges. If successful, the issue may gain additional privileges.

02

Exploit reality and attack path

CVSS severity, EPSS forecast probability, public exploit material and CISA-confirmed exploitation are separate signals.

Observed exploitation
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
No confirmed evidence

No CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.

Public PoC / exploit material
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
None recorded

No exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds.

Likely attack path
local access → vulnerable operation → gain additional privileges
Attack surface
Local
Privileges required
Low: a basic authenticated account is required
User interaction
None
Attack complexity
Low: no specialised conditions are recorded
Security boundary
Unchanged: impact remains within the vulnerable component's security authority
Weakness
?CWE means Common Weakness Enumeration: a standard category for the underlying weakness.
CWE-264 ↗

CWE-264. Open the MITRE definition for the exact weakness description.

CVSS vector
?CVSS means Common Vulnerability Scoring System. The vector records the metric values used to calculate technical severity.
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Common Vulnerability Scoring System 3.0: the compact vector below is decoded into plain language.

AVLocalAttack vector: The attacker needs local access to the vulnerable system.ACLowAttack complexity: No specialised conditions are required beyond attacker-controlled input.PRLowPrivileges required: The attacker needs basic user-level privileges.UINoneUser interaction: No action by another user is required.SUnchangedScope: The security impact remains within the vulnerable component's authority.CHighConfidentiality impact: A successful attack can cause a major loss.IHighIntegrity impact: A successful attack can cause a major loss.AHighAvailability impact: A successful attack can cause a major loss.
Post-exploitation / living off the land
The issue can support a local privilege or sandbox boundary transition; normal system utilities may then be available in the gained context.
Privilege escalationCWE-264
A

Official authority intelligence

Only matched European and national findings are included. Language selectors and unavailable sources are omitted.

CERT-FR · French · CERTFR-2016-AVI-164Multiples vulnérabilités dans Microsoft Windows

/library/security/ms16-062 Bulletin de sécurité Microsoft MS16-066 du 10 mai 2016 https://technet.microsoft.com/fr-fr/library/security/ms16-066 Bulletin de sécurité Microsoft MS16-067 du 10 mai 2016 https://technet.microsoft.com/fr-fr/library/security/ms16-067 Référence CVE CVE-2016-0152 https://www.cve.org/CVERecord?id=CVE-2016-0152 Référence CVE CVE-2016-0168 https://www.cve.org/CVERecord?id=CVE-2016-0168 Référence CVE CVE-2016-0169 https://www.cve.org/CVERecord?id=CVE-2016-0169 Référence CVE CVE-2016-0170 https://www.cve.org/CVERecord?id=CVE-2016-0170 Référence CVE CVE-2016-0171 https://www.cve.org/CVERecord?id=CVE-2016-0171 Référence CVE CVE-2016-0173 https://www.cve.org/CVERecord?id=CVE-2016-0173 Référence CVE CVE-2016-0174 https://www.cve.org/CVERecord?id=CVE-2016-0174 Référence CVE CVE-2016-0175 https://www.cve.org/CVERecord?id=CVE-2016-0175 Référence CVE CVE-2016-0176 https://www.cve.org/CVERecord?id=CVE-2016-0176 Référence CVE CVE-2016-0178 https://www.cve.org/CVERecord?id=CVE-2016-0178 Référence CVE CVE-2016-0179 https://www.cve.org/CVERecord?id=CVE-2016-0179 Référence CVE CVE-2016-0180 https://www.cve.org/CVERecord?id=CVE-2016-0180 Référence CVE CVE-2016-0181 https://www.cve.org/CVERecord?id=CVE-2016-0181 Référence CVE CVE-2016-0182 https://www.cve.org/CVERecord?id=CVE-2016-0182 Ré

Official advisory ↗
JVN iPedia · Japanese · JVNDB-2016-002560複数の Microsoft Windows 製品のカーネルモードドライバにおける権限昇格の脆弱性

複数の Microsoft Windows 製品のカーネルモードドライバには、権限を取得される脆弱性が存在します。 マイクロソフトセキュリティ情報には、この脆弱性は「Win32k の特権の昇格の脆弱性」と記載されています。 本脆弱性は、CVE-2016-0171、CVE-2016-0173、および CVE-2016-0174 とは異なる脆弱性です。

Official advisory ↗
JVN iPedia · Japanese · JVNDB-2016-002557複数の Microsoft Windows 製品のカーネルモードドライバにおける権限昇格の脆弱性

複数の Microsoft Windows 製品のカーネルモードドライバには、権限を取得される脆弱性が存在します。 マイクロソフトセキュリティ情報には、この脆弱性は「Win32k の特権の昇格の脆弱性」と記載されています。 本脆弱性は、CVE-2016-0171、CVE-2016-0173、および CVE-2016-0196 とは異なる脆弱性です。

Official advisory ↗
JVN iPedia · Japanese · JVNDB-2016-002556複数の Microsoft Windows 製品のカーネルモードドライバにおける権限昇格の脆弱性

複数の Microsoft Windows 製品のカーネルモードドライバには、権限を取得される脆弱性が存在します。 マイクロソフトセキュリティ情報には、この脆弱性は「Win32k の特権の昇格の脆弱性」と記載されています。 本脆弱性は、CVE-2016-0171、CVE-2016-0174、および CVE-2016-0196 とは異なる脆弱性です。

Official advisory ↗
JVN iPedia · Japanese · JVNDB-2016-002555複数の Microsoft Windows 製品のカーネルモードドライバにおける権限昇格の脆弱性

複数の Microsoft Windows 製品のカーネルモードドライバには、権限を取得される脆弱性が存在します。 マイクロソフトセキュリティ情報には、この脆弱性は「Win32k の特権の昇格の脆弱性」と記載されています。 本脆弱性は、CVE-2016-0173、CVE-2016-0174、および CVE-2016-0196 とは異なる脆弱性です。

Official advisory ↗
03

Patch and workaround

Operational remediation based on structured source evidence.

Status
?Patch availability is based on structured fixed-version fields and authoritative update references. If no fix is verified, check the vendor advisory before making a change.
Patch available
Affected
n/a
Fixed
An authoritative update reference is available, but the fixed version is not recorded in the structured CVE fields. Check the linked vendor advisory for the applicable release.
Action
Review the linked authoritative reference and apply the recorded fixed release appropriate to the affected product branch.
Workaround
No verified workaround is recorded. Limit untrusted access and use least privilege until authoritative guidance is available.
04

Evidence and provenance

Published 11 May 2016 · Last source change 5 Aug 2024, 22:08 UTC · CWE-264

CVE recordCVE.org · 5.1
CVSS sourceNIST NVD
EPSS source
?The date BlackTree first stored a score for this CVE from the daily FIRST EPSS feed.
FIRST · tracked since 2026-09-01
European sourceENISA EUVD · EUVD-2016-0211
Product sourceUnavailable
Remediation sourceCVE/CNA references
CWE sourceNIST NVD
NVD statusNVD modified after enrichment

Missing structured fields: affected product. Missing data is not evidence of low risk; review the primary advisory.

Material change intelligence

What changed after publication

View recent updates ↗
  1. ENISA EUVD mappingEUVD-2016-0211 was added to the official ENISA EUVD mapping for this CVE.
    Before
    not recorded
    After
    {"euvdId":"EUVD-2016-0211"}
    ENISA EUVD ↗
  2. Vendor guidanceAuthoritative vendor guidance changed: removed patch: docs.microsoft.com/ms16-062; removed remediation: docs.microsoft.com/ms16-062.
    Before
    patch: docs.microsoft.com/ms16-062 · remediation: docs.microsoft.com/ms16-062
    After
    no authoritative guidance recorded
    CNA ↗
  3. Affected versionsThe structured affected or fixed version information changed.
    Before
    n/a · Fixed: An authoritative update reference is available, but the fixed version is not recorded in the structured CVE fields. Check the linked vendor advisory for the applicable release.
    After
    n/a · Fixed: No fixed version is explicitly recorded in the structured CVE data.
    CNA ↗
  4. Remediation statusRemediation status changed from Patch available to Awaiting fix.
    Before
    Patch available
    After
    Awaiting fix
    CNA ↗
  5. Public exploit evidencePublic exploit evidence changed from Public exploit reference to No public exploit.
    Before
    Public exploit reference
    After
    No public exploit
    CVE.org ↗
  6. SeveritySeverity changed from Unknown to High.
    Before
    Unknown
    After
    High
    NIST NVD ↗
  7. CVSS scoreCVSS score changed from not recorded to 7.8 (CVSS 3.0 · NIST NVD · CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
    Before
    not recorded
    After
    7.8 (CVSS 3.0 · NIST NVD · CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
    NIST NVD ↗
  8. Catalogue recordCVE added to the BlackTree catalogue.
    CNA ↗
Material fields only · duplicate refreshes suppressed · history retained for the configured operational retention period
CVE published
ENISA EUVD · EUVD-2016-0211↗CVE authority or vendor reference↗Official CVE record (CNA and ADP data)↗NVD record↗
Technical terms and abbreviations used in this report
CVE
Common Vulnerabilities and Exposures: the public identifier for one disclosed vulnerability.
CVSS
Common Vulnerability Scoring System: a technical severity framework; it is not patching priority by itself.
EPSS
Exploit Prediction Scoring System: FIRST's estimate of the probability that exploitation activity will be observed in the next 30 days; it is a forecast, not confirmation.
CWE
Common Weakness Enumeration: the standard category describing the underlying software or hardware weakness.
CNA
CVE Numbering Authority: an organisation authorised to assign and publish CVE records.
CISA ADP
Cybersecurity and Infrastructure Security Agency Authorized Data Publisher: structured enrichment added to a CVE record.
NVD
National Vulnerability Database: NIST's enrichment service for CVE records.
CERT / CSIRT
A computer security incident response team that publishes warnings or coordinates incident response.
PoC
Proof of concept: public material that demonstrates or helps reproduce exploitation.
CSAF
Common Security Advisory Framework: a machine-readable format for security advisories.
LoTL
Living off the land: abuse of legitimate tools or system functions during an attack.
Free version - for non-commercial use only.CVE-2016-0173 · cve.blacktree.nl