CVE-2023-35619

mediumpriority · track · 0EPSS 0.012 · 68 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.19% (68th) EPSS

CVSS 5.3 · medium

Is it mine?

6 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

Microsoft Outlook for Mac Spoofing Vulnerability

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedMicrosoft Office LTSC for Mac 2021msrc_csaf
16.80.23121017:Security Update:https://go.microsoft.com/fwlink/p/?linkid=831049
https://go.microsoft.com/fwlink/p/?linkid=831049

cvss

Technical severity, 0–10. One row per scoring source.

5.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.15.3mediumAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Nsecondary · FSTEC (BDU) RU

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:Csecondary · ENISA EU

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Nsecondary · secure@microsoft.com USexploitability 3.9 · impact 1.4

v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:Csecondary · Microsoft Security Response Center US

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USCWE-20USCWE-451US

affected products (6)

Products and version ranges known to be affected.

Microsoft Office LTSC for Mac 2021all versionscert_bundDEcpe:/a:microsoft:office:ltsc_for_mac_2021
Microsoft Microsoft Office LTSC for Mac 202116.0.1 → 16.80.23121017enisa_euvdEU
Microsoft Corp Microsoft Office LTSC 2021all versionsfstec_bduRU
Microsoft Office LTSC for Mac 2021all versionsfixedmsrc_csafUS
Microsoft Office LTSC for Mac 2021< 16.80.23121017msrc_csafUS
microsoft office long term servicing channel= 2021nvdUScpe:2.3:a:microsoft:office_long_term_servicing_channel:*:*:*:*:*:*:*:*

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-3138Microsoft Office Produkte: Mehrere SchwachstellenDeutsch2023-12-12csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in verschiedenen Microsoft Office Produkten ausnutzen, um falsche Informationen darzustellen und um Informationen offenzulegen.
msrc_CVE-2023-35619Microsoft Outlook for Mac Spoofing Vulnerability2023-12-12csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund msrc_csaf nvd NVD CVE.org MITRE

published 2023-12-12modified 2026-06-17

references (5)

External citations — patches, advisories, analysis.

scry

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