CVE-2023-26369
Adobe Acrobat and Reader Out-of-Bounds Write Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 5 October 2023). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
Acrobat Reader versions 23.003.20284 (and earlier), 20.005.30516 (and earlier) and 20.005.30514 (and earlier) are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 7.04% probability · 94th percentile
- CISA KEV
- Listed 14 September 2023 · due 5 October 2023
- Weakness
- CWE-787
- Affected
- adobe/acrobat · adobe/acrobat dc · adobe/acrobat reader · adobe/acrobat reader dc
- Source
- psirt@adobe.com
CISA notes
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. https://helpx.adobe.com/security/products/acrobat/apsb23-34.html; https://nvd.nist.gov/vuln/detail/CVE-2023-26369
References
- https://helpx.adobe.com/security/products/acrobat/apsb23-34.htmlVendor Advisory
- https://helpx.adobe.com/security/products/acrobat/apsb23-34.htmlVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-26369Third Party Advisory, US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.