CVE-2023-33131 | Microsoft Outlook Remote Code Execution Vulnerability

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Microsoft Outlook Remote Code Execution Vulnerability

Published: 2023-06-14 Last update: 2025-02-28 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2023-33131 is rated High Exploit Risk (80.4/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.75%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2023-33131

EDB-ID Source Kind Published Link
51574 exploit_db edb 2023-07-07 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2023-33131

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-03-08 2.62% 2.75% +0.13%
2 2025-11-21 10.54% 2.62% -7.92%
3 2025-11-18 — 10.54% —

Full EPSS history (36 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-33131

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.8 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 5.9 [email protected]

Weakness enumeration for CVE-2023-33131

Affected software / configurations for CVE-2023-33131

Vendor Product Version Raw CPE
microsoft office 2019 cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:x64:*
microsoft office 2019 cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:x86:*
microsoft office_long_term_servicing_channel 2021 cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:*:x64:*
microsoft office_long_term_servicing_channel 2021 cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:*:x86:*
microsoft outlook 2013 cpe:2.3:a:microsoft:outlook:2013:sp1:*:*:*:*:*:*
microsoft outlook 2013 cpe:2.3:a:microsoft:outlook:2013:sp1:*:*:rt:*:*:*
microsoft outlook 2016 cpe:2.3:a:microsoft:outlook:2016:*:*:*:*:*:x64:*
microsoft outlook 2016 cpe:2.3:a:microsoft:outlook:2016:*:*:*:*:*:x86:*
microsoft outlook_rt 2013 cpe:2.3:a:microsoft:outlook_rt:2013:sp1:*:*:*:*:*:*

References for CVE-2023-33131

cvelogic Threat Intelligence