Double Free in Microsoft Excel 2013 Service Pack 1

CVE-2023-33137

Microsoft Excel Remote Code Execution Vulnerability

Vulnerability class: Double Free

EPSS: 0.027 (86.1th 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-2023-33137?
CVE-2023-33137 is a high-severity vulnerability in Microsoft Excel 2013 Service Pack 1, classified under Double Free. CVSS score: 7.8/10. Published 2023-06-13.
How severe is CVE-2023-33137?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2023-33137 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.