PoC Index85,079 CVEs with PoCs

CVE-2021-36934

Windows Elevation of Privilege Vulnerability

KEVHIGH 7.8EPSS 67.3%

<p>An elevation of privilege vulnerability exists because of overly permissive Access Control Lists (ACLs) on multiple system files, including the Security Accounts Manager (SAM) database. An attacker who successfully exploited this vulnerability could run arbitrary code with SYSTEM privileges. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.</p><p>An attacker must have the ability to execute code on a victim system to exploit this vulnerability.</p><p>After installing this security update, you <em>must</em> manually delete all shadow copies of system files, including the SAM database, to fully mitigate this vulnerabilty. <strong>Simply installing this security update will not fully mitigate this vulnerability.</strong> See <a href="https://support.microsoft.com/topic/1ceaa637-aaa3-4b58-a48b-baf72a2fa9e7">KB5005357- Delete Volume Shadow Copies</a>.</p>

Affected
Microsoft · Windows 10 Version 1809 · Windows 10 Version 1909 · Windows 10 Version 2004 · Windows 10 Version 20H2 · Windows 10 Version 21H1
CVSS v3.1 NVD
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0 NVD
4.6 MEDIUMAV:L/AC:L/Au:N/C:P/I:P/A:P
EPSS
67.25% chance of exploitation in the next 30 days, 99th percentile
CISA KEV
added 2022-02-10
Published
2021-07-22
Updated
2026-08-10

Proof-of-concept exploits (21)

Metasploit modules (1)

Exploit collections (1)

Security advisories

References

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