CVE-2022-27799
Published: 11 May 2022
Summary
CVE-2022-27799 is a high-severity Use After Free (CWE-416) vulnerability in Apple Macos. Its CVSS base score is 7.8 (High).
Operationally, ranked in the top 6.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
Acrobat Reader DC versions 22.001.20085 and earlier, 20.005.3031x and earlier, and 17.012.30205 and earlier contain a use-after-free vulnerability in the processing of the acroform event. The flaw is tracked as CWE-416 and carries a CVSS 3.0 base score of 7.8, reflecting local attack vector, low attack complexity, and no privileges required.
An attacker can exploit the issue by supplying a malicious PDF file that triggers the vulnerable acroform handling when opened. Successful exploitation results in arbitrary code execution in the context of the current user; the attack requires the victim to open the crafted document.
The Adobe security advisory APSB22-16, referenced at helpx.adobe.com, addresses the affected Acrobat Reader DC releases and provides the corresponding patches and mitigation guidance. The associated EPSS score has remained flat at its peak value of 0.1143 with no material increase observed after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-32294
Vulnerability details
Acrobat Reader DC versions 22.001.20085 (and earlier), 20.005.3031x (and earlier) and 17.012.30205 (and earlier) are affected by a use-after-free vulnerability in the processing of the acroform event that could result in arbitrary code execution in the context of the current…
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user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Use-after-free exploits that achieve arbitrary code execution are blocked or significantly hardened by non-executable pages and ASLR.