CVE-2023-29343

highpriority · track · 11EPSS 0.017 · 78 %ileexploit · PoCEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

1.75% (78th) EPSS

CVSS 7.8 · high

Is it mine?

5 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · msrc_csaf

EPSS · scored 2026-10-27

SysInternals Sysmon for Windows Elevation of Privilege Vulnerability

remediations

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

A vendor fix is available.

FixedWindows Sysmonmsrc_csaf
14.16:Security Update:https://learn.microsoft.com/en-us/sysinternals/downloads/sysmon
https://learn.microsoft.com/en-us/sysinternals/downloads/sysmon

cvss

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

7.8

010

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

v3.17.8highAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · ENISA EU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · secure@microsoft.com USexploitability 1.8 · impact 5.9

v3.17.4highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · Microsoft Security Response Center US

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-264USCWE-59USCWE-59US

exploits (1)

Public proof-of-concept and weaponised exploit code.

Wh04m1001/CVE-2023-29343Wh04m1001/CVE-2023-29343PoC · poc_in_github

affected products (5)

Products and version ranges known to be affected.

Microsoft Windows Sysmon1.0 → 14.16enisa_euvdEU
Microsoft Corp Microsoft Windows Sysmon≤ 14.16fstec_bduRU
Windows Sysmonall versionsfixedmsrc_csafUS
Windows Sysmon< 14.16msrc_csafUS
microsoft windows sysmon< 14.16nvdUScpe:2.3:a:microsoft:windows_sysmon:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

msrc_CVE-2023-29343SysInternals Sysmon for Windows Elevation of Privilege Vulnerability2023-05-09csaf · 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 msrc_csaf nvd NVD CVE.org MITRE

published 2023-05-09modified 2026-06-17

references (5)

External citations — patches, advisories, analysis.

scry

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