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Full vulnerability report · 2017
CVE-2017-0210High confidence

Microsoft Internet Explorer Privilege Escalation Vulnerability

Microsoft · Internet Explorer

8.8HighCVSS 3.1
Recommended action
Patch now

CISA confirms exploitation in the wild and lists 2022-06-14 as the remediation due date.

Patch available
R
Operational reassessment

Published severity in operational context

Open reassessment dashboard →
Published severityHighOperational priority:Critical, raised one band.upgradedsince 24 May 2022

Evidence used

  • CISA confirms exploitation in the wild.
  • EPSS is 22.33% for the current model date.

Compensating controls

  • Validate the affected product branch and deploy the verified fixed release.
  • Restrict the affected network interface to trusted sources where business-safe.
  • Increase monitoring for the attack path and post-exploitation behaviour described in the report.

Verification

  1. Confirm that the asset runs Microsoft Internet Explorer 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: Within 3 daysRemediation target: Within 90 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-2017-0576

CISA KEV mirrored by ENISA

An elevation of privilege vulnerability exists when Internet Explorer does not properly enforce cross-domain policies, which could allow an attacker to access information from one domain and inject it into another domain, aka "Internet Explorer Elevation of Privilege Vulnerability."

EUVD state
Present in the current official mapping
Known exploitation
Recorded by ENISA since 24 May 2022. Evidence sources: cisa_kev.
ENISA score
8.8 · CVSS 3.1
Advisory evidence
No linked advisory details stored yet
Recommended actionPatch now

CISA confirms exploitation in the wild and lists 2022-06-14 as the remediation due date.

Patch available
01

What, why and how

A privilege escalation vulnerability exists when Internet Explorer does not properly enforce cross-domain policies, which could allow an attacker to access information.

What

A privilege escalation vulnerability exists when Internet Explorer does not properly enforce cross-domain policies, which could allow an attacker to access information.

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 a network path may attempt exploitation without authentication after a user interaction. If successful, the issue may gain additional privileges.

What

A privilege escalation vulnerability exists when Internet Explorer does not properly enforce cross-domain policies, which could allow an attacker to access information.

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 a network path may attempt exploitation without authentication after a user interaction. 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.
Confirmed in the wild

CISA added this CVE to its Known Exploited Vulnerabilities catalogue on 2022-05-24.

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
a network path → vulnerable operation → gain additional privileges
Attack surface
Network
Privileges required
None: unauthenticated exploitation is possible
User interaction
Required interaction required
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.
CWE not yet assigned
CVSS vector
?CVSS means Common Vulnerability Scoring System. The vector records the metric values used to calculate technical severity.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Common Vulnerability Scoring System 3.1: the compact vector below is decoded into plain language.

AVNetworkAttack vector: The vulnerable component can be reached over a network.ACLowAttack complexity: No specialised conditions are required beyond attacker-controlled input.PRNonePrivileges required: The attacker does not need an account or existing privileges.UIRequiredUser interaction: Another user must perform an action for exploitation to succeed.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
No specific living-off-the-land technique is confirmed in the structured sources. Monitor normal administration tools for activity inconsistent with the affected service's baseline.
NetworkUnauthenticatedPrivilege escalationCISA KEV
A

Official authority intelligence

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

ENISA EUVD · EUVD-2017-0576Known-exploited evidence recorded

An elevation of privilege vulnerability exists when Internet Explorer does not properly enforce cross-domain policies, which could allow an attacker to access information from one domain and inject it into another domain, aka "Internet Explorer Elevation of Privilege Vulnerability."

Official EUVD record ↗
Canadian Centre for Cyber Security · English · AV17-044Microsoft security updates

s). CVE References: CVE-2013-6629, CVE-2017-0058, CVE-2017-0093, CVE-2017-0106, CVE-2017-0155, CVE-2017-0156, CVE-2017-0158, CVE-2017-0159, CVE-2017-0160, CVE-2017-0162, CVE-2017-0163, CVE-2017-0164, CVE-2017-0165, CVE-2017-0166, CVE-2017-0167, CVE-2017-0168, CVE-2017-0169, CVE-2017-0178, CVE-2017-0179, CVE-2017-0180, CVE-2017-0181, CVE-2017-0182, CVE-2017-0183, CVE-2017-0184, CVE-2017-0185, CVE-2017-0186, CVE-2017-0188, CVE-2017-0189, CVE-2017-0191, CVE-2017-0192, CVE-2017-0194, CVE-2017-0195, CVE-2017-0197, CVE-2017-0199, CVE-2017-0200, CVE-2017-0201, CVE-2017-0202, CVE-2017-0203, CVE-2017-0204, CVE-2017-0205, CVE-2017-0207, CVE-2017-0208, CVE-2017-0210, CVE-2017-0211 Suggested Action CCIRC recommends that system administrators test and deploy the vendor-released updates to affected applications accordingly. References: https://support.microsoft.com/en-us/help/20170411/security-update-deployment-information-april-11-2017 https://portal.msrc.microsoft.com/en-us/security-guidance/releasenotedetail/42b8fa28-9d09-e711-80d9-000d3a32fc99

Official advisory ↗
CERT-FR · French · CERTFR-2017-AVI-106Multiples vulnérabilités dans Microsoft Internet Explorer

De multiples vulnérabilités ont été corrigées dans Microsoft Internet Explorer . Elles permettent à un attaquant de provoquer une exécution de code arbitraire à distance et une élévation de privilèges.

Official advisory ↗
JVN iPedia · Japanese · JVNDB-2017-002651Microsoft Internet Explorer 10 および 11 における特権の昇格の脆弱性

Microsoft Internet Explorer 10 および 11 には、適切にクロスドメインポリシーを適用しない場合、特権を昇格される脆弱性が存在します。 ベンダは、本脆弱性を「Internet Explorer 特権の昇格の脆弱性」として公開しています。

Official advisory ↗
KISA KrCERT/CC · Korean · KNVD-4718MS 4월 보안 위협에 따른 정기 보안 업데이트 권고

17-0158) - 다중 정보 노출 취약점(CVE-2013-6629, CVE-2017-0058, 0168, 0192) - Hyper-V 서비스 거부 취약점(CVE-2017-0184) - 다중 원격 코드 실행 취약점(CVE-2017-0163, 0180, 0199) - 다중 권한 상승 취약점(CVE-2017-0155, 0166) o 영향 : 원격 코드 실행 o 중요도 : 긴급 ##### □ 영향 받는 소프트웨어 o 참고사이트 - 한글 : https://support.microsoft.com/ko-kr/help/3211308 - 영문 : https://support.microsoft.com/en-us/help/3211308 o 관련 KB 번호 - 3211308, 3217841, 4014652, 4014793, 4014794, 4015067, 4015068, 4015195, 4015380, 4015383 ##### □ 해결책 o 영향 받는 소프트웨어를 이용하는 경우 마이크로소프트사의 보안 패치 적용 [KB 4014661] Internet Explorer 보안 업데이트 ##### □ 설명 o 이용자가 Internet Explorer로 특수하게 제작된 악성 웹 페이지를 열람할 경우, 원격 코드 실행이 허용되는 취약점 o 관련취약점 : - 권한 상승 취약점(CVE-2017-0210) - 다중 메모리 손상 취약점(CVE-2017-0201, 0202) o 영향 : 원격 코드 실행 o 중요도 : 긴급 ##### □ 영향 받는 소프트웨어 o 참고사이트 - 한글 : https://support.microsoft.com/ko-kr/help/4014661 - 영문 : https://support.microsoft.com/en-us/help/4014661 o 관련 KB 번호 - 4014661, 4015217, 4015219, 4015221, 4015549, 4015550, 4015551, 4015583 ##### □ 해결책 o 영향 받는 소프트웨어를 이용하는 경우 마이크로소프트사의 보안 패치 적용 [KB 4014981] .NET Framework 보안 업데이트 ##### □ 설명 o 공격자가 특수하게 제작된 악성 응용 프로그램을 실행시켜 비정상적인 유효성 검사가 이루어질 경우, 원격 코드 실행이 허용되는 취약점 o 관련취약점 : - 원격 코드 실행 취약점(CVE-2017-0160) o 영향 : 원격 코드 실행 o 중요도 : 긴급 ##### □ 영향 받는 소프트웨어 o 참고사이트 - 한글 : https://support.microsoft.com/ko-kr/help/4014981 - 영문 : https://support.microsoft.

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
Internet Explorer: Internet Explorer 10 and Internet Explorer 11
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. If business-safe, reduce exposure to the affected interface and allow only trusted sources until authoritative guidance is available.
04

Evidence and provenance

Published 12 Apr 2017 · Last source change 21 Oct 2025, 23:55 UTC · CWE not yet assigned

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-2017-0576
Product sourceCISA KEV
Remediation sourceCVE/CNA references
CWE sourceUnavailable
NVD statusNVD enriched

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

Material change intelligence

What changed after publication

View recent updates ↗
  1. ENISA known-exploited stateENISA EUVD now records this CVE in its known-exploited dataset.
    Before
    not listed in ENISA EUVD known-exploited dataset
    After
    listed in ENISA EUVD known-exploited dataset (EUVD-2017-0576)
    ENISA EUVD ↗
  2. ENISA EUVD mappingEUVD-2017-0576 was added to the official ENISA EUVD mapping for this CVE.
    Before
    not recorded
    After
    {"euvdId":"EUVD-2017-0576"}
    ENISA EUVD ↗
  3. Affected versionsThe structured affected or fixed version information changed.
    Before
    Internet Explorer 10 and Internet Explorer 11 · 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
    Internet Explorer: Internet Explorer 10 and Internet Explorer 11 · 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.
    CNA ↗
  4. Vendor guidanceAuthoritative vendor guidance changed: added patch: portal.msrc.microsoft.com/CVE-2017-0210; added remediation: portal.msrc.microsoft.com/CVE-2017-0210.
    Before
    no authoritative guidance recorded
    After
    patch: portal.msrc.microsoft.com/CVE-2017-0210 · remediation: portal.msrc.microsoft.com/CVE-2017-0210
    portal.msrc.microsoft.com ↗
  5. Affected versionsThe structured affected or fixed version information changed.
    Before
    Internet Explorer 10 and Internet Explorer 11 · Fixed: No fixed version is explicitly recorded in the structured CVE data.
    After
    Internet Explorer 10 and Internet Explorer 11 · 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.
    CNA ↗
  6. Remediation statusRemediation status changed from Awaiting fix to Patch available.
    Before
    Awaiting fix
    After
    Patch available
    portal.msrc.microsoft.com ↗
  7. CVSS scoreCVSS scoring authority changed from CISA ADP to NIST NVD; the displayed base score remained 8.8.
    Before
    8.8 (CVSS 3.1 · CISA ADP · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
    After
    8.8 (CVSS 3.1 · NIST NVD · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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
Added to CISA KEV
Fixed release or patch reference recorded
ENISA EUVD · EUVD-2017-0576↗CISA KEV record↗Patch or update reference↗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-2017-0210 · cve.blacktree.nl