CVE-2026-27221
5.5 · MEDIUMOverview
CVE-2026-27221 is a medium-severity vulnerability affecting adobe acrobat_dc. It was published on March 10, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
Acrobat Reader versions 24.001.30307, 24.001.30308, 25.001.21265 and earlier are affected by an Improper Certificate Validation vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to spoof the identity of a signer. Exploitation of this issue requires user interaction.
Remediation
Check the references section for vendor advisories and patches from adobe. Update acrobat_dc to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| adobe | acrobat_dc | >= 0, < 25.001.21288 | Affected |
| adobe | acrobat_reader_dc | >= 0, < 25.001.21288 | Affected |
| adobe | acrobat | >= 24.001.20604, < 24.001.30356 | Affected |
Frequently Asked Questions
What is CVE-2026-27221?
CVE-2026-27221 is a medium-severity vulnerability affecting adobe acrobat_dc. It was published on March 10, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2026-27221?
This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2026-27221?
Check the references section for vendor advisories and patches from adobe. Update acrobat_dc to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-27221?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-27221 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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