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Vulnerability record · CVE-2021-29096 · published 25 March 2021

CVE-2021-29096: Esri arcgis engine use after free vulnerability

Esri · Arcgis Engine

A use-after-free vulnerability when parsing a specially crafted file in Esri ArcReader, ArcGIS Desktop, ArcGIS Engine 10.8.1 (and earlier) and ArcGIS Pro 2.7 (and earlier) allows an unauthenticated attacker to achieve arbitrary code execution in the context of the current user.

7.8 CVSS 3.1 High EPSS 1.5% · top 26.4% CWE-416 · Use after free
7.8CVSS 3.1 base score, v2 6.8
1.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

A use-after-free vulnerability when parsing a specially crafted file in Esri ArcReader, ArcGIS Desktop, ArcGIS Engine 10.8.1 (and earlier) and ArcGIS Pro 2.7 (and earlier) allows an unauthenticated attacker to achieve arbitrary code execution in the context of the current user.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.esri.com/arcgis-blog/products/arcgis/administration/security-advisory-general-raster/ Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-370/ Third Party AdvisoryVDB Entry
https://www.esri.com/arcgis-blog/products/arcgis/administration/security-advisory-general-raster/ Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-370/ Third Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-29096), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.