CVE-2021-33739

Microsoft DWM Core Library Elevation of Privilege Vulnerability

CVSS v3.1

7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v3.1

8.4 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

4.6 MEDIUMAV:L/AC:L/Au:N/C:P/I:P/A:P

EPSS

6.55% chance of exploitation in the next 30 days, 93th percentile

CISA KEV

added 2021-11-03

Published

2021-06-08

Updated

2025-10-21

Proof-of-concept exploits (2)

• freeide2017/CVE-2021-33739-POC10★ · 2021-06-09
• giwon9977/CVE-2021-33739_PoC_Analysis5★ · 2021-12-22

Exploit collections (1)

• helloexp/0day/tree/master/00-CVE_EXP/CVE-2021-33739

References

• CVE Record
• NVD entry

Related

• CVE-2021-26868
• CVE-2021-33701
• CVE-2021-3374
• CVE-2021-33699
• CVE-2021-3375
• CVE-2021-33690