Use After Free in Microsoft 365 Apps For Enterprise

CVE-2023-28285

Microsoft Office Remote Code Execution Vulnerability

Vulnerability class: Use-After-Free

EPSS: 0.018 (83.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-28285?
CVE-2023-28285 is a high-severity vulnerability in Microsoft 365 Apps For Enterprise, classified under Use After Free. CVSS score: 7.8/10. Published 2023-04-11.
How severe is CVE-2023-28285?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2023-28285 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.