CVE-2023-33161: microsoft 365_apps Double Free
CVSS: 7.8v3.1HighModified
Published 11-07-2023Last modified 28-02-2025
Vulnerability summary
CVE-2023-33161 is a high (CVSS 7.8) Double Free vulnerability in microsoft 365_apps. EPSS estimates a 0.63% chance of exploitation in the next 30 days, higher than 49.3% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (CVE.org)EPSS score
0.63%
0%100%
Low · -0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 11-07-2023PublishedVulnerability first disclosed.
- 28-02-2025Last modifiedVulnerability information updated.
Description
Microsoft Excel Remote Code Execution Vulnerability
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.63%
Chance of exploitation in the next 30 days
Percentile
49%
Versus all other CVEs
30-day change
-0.01 pp
From 0.63% on 22-09-2026
22-09-202622-10-2026
EPSS score0.63%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft6 products
- 365_appsna
- microsoft 365 apps for enterprise≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases
- microsoft office 2019 for mac≥ 16.0.0, < 16.75.23070901
- microsoft office ltsc for mac 2021≥ 16.0.1, < 16.75.23070901
- officeEOL2019
1 vendor · 6 products