CVE-2020-1311

HIGHNVD 7.87.8—

7.8

An elevation of privilege vulnerability exists when Component Object Model (COM) client uses special case IIDs, aka 'Component Object Model Elevation of Privilege Vulnerability'.

CVSS v3: 7.8
EG Score: 7.8(medium)
EPSS: 94.0%
KEV: Not listed

Published

June 9, 2020

Last Modified

November 21, 2024

References (2)

secure@microsofthttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1311
af854a3a-2127-422b-91ae-364da2661108https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1311

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-269Improper Privilege Management

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Microsoft MSRCCVE-2020-13112020-06-09
Component Object Model Elevation of Privilege Vulnerability

Data Freshness Timeline

(refreshed 11× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-04 13:10 UTCepss_batch
2026-06-04 13:10 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 02:42 UTCEG score recompute
2026-05-27 02:42 UTCVendor advisory
2026-05-27 02:42 UTCGHSA enrichment
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2020-1311?

CVE-2020-1311 is a high vulnerability published on June 9, 2020. An elevation of privilege vulnerability exists when Component Object Model (COM) client uses special case IIDs, aka 'Component Object Model Elevation of Privilege Vulnerability'.

When was CVE-2020-1311 disclosed?

CVE-2020-1311 was first published in the National Vulnerability Database on June 9, 2020, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2020-1311 actively exploited?

CVE-2020-1311 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 94.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-1311?

CVE-2020-1311 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2020-1311?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-1311, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2020-1311

Published

Last Modified

References (2)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-1311?

Same vendor

Same CWE

CVE-2020-1311

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-1311?

🔗 Related CVEs(same vendor + same CWE)

Same vendor

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References (2)

Frequently asked(5)

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