CVE-2022-27786
Published: 11 May 2022
Summary
CVE-2022-27786 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 6.2% 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 (CWE-416) in the processing of fonts. The flaw carries a CVSS 3.0 base score of 7.8 and can result in arbitrary code execution in the context of the current user.
An unauthenticated attacker can trigger the issue by supplying a malicious file that the victim must open, satisfying the local attack vector and required user interaction. Successful exploitation grants full control over confidentiality, integrity, and availability on the affected system.
Adobe's security bulletin APSB22-16, referenced at helpx.adobe.com, supplies the official remediation guidance and corresponding software updates for the listed Acrobat Reader DC releases. The associated EPSS score has remained flat at a peak of 0.1154 with no material increase observed after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-32281
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 fonts that could result in arbitrary code execution in the context of the current user. Exploitation…
more
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.