Adobe Acrobat Reader Creation of Temporary File in Directory with Incorrect Permissions Privilege escalation

published 2023-01-18 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-25778

cvss: 7.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 35%
public exploits: 0; none known

Adobe Acrobat Reader versions 22.003.20282 (and earlier), 22.003.20281 (and earlier) and 20.005.30418 (and earlier) are affected by a Creation of Temporary File in Directory with Incorrect Permissions vulnerability that could result in privilege escalation in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 20 mo ago (2025-03-05)

Exploit prediction

0.41% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Adobe Acrobat Reader

Classification

Weakness

CWE-379 Creation of Temporary File in Directory with Insecure Permissions
CWE-668 Exposure of Resource to Wrong Sphere

References

helpx.adobe.com /security/products/acrobat/apsb23-01.html
vendor-advisory

Sources

CVE List CVE-2023-21611
NVD CVE-2023-21611

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Summary