Signal is active with 1 mentions in latest observed window
Recommended action window: Monitor and triage in normal cycle
NVD 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.
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
NONE
Momentum
NONE
If you run products in this scope, you should treat this CVE as relevant to your environment.
1 version affected across 5 products
CVE-2026-27221 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 S… https://www.cve.org/CVERecord?id=CVE-2026-27221
Post summary
CVE-2026-27221 affects certain Adobe Acrobat Reader versions, exposing an Improper Certificate Validation flaw.
5 of 5 entries
| Part | Vendor | Product | Version | Target SW | Target HW |
|---|---|---|---|---|---|
| App | adobe | acrobat | - | - | - |
| App | adobe | acrobat_dc | - | - | - |
| App | adobe | acrobat_reader_dc | - | - | - |
| OS | apple | macos | - | - | - |
| OS | microsoft | windows | - | - | - |