High severity · published Mar 30, 2026
CVE-2026-33982
FreeRDP: Persistent Cache Allocator Mismatch - Heap OOB Read
8.1
CVSS
0.2%
EPSS
No
On KEV
Description
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, there is a heap-buffer-overflow READ vulnerability at 24 bytes before the allocation, in winpr_aligned_offset_recalloc(). This issue has been patched in version 3.24.2.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 9% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FR
FreeRDP · FreeRDP
< 3.24.2 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-33982
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-33982
Patch
https://github.com/FreeRDP/FreeRDP/commit/a48dbde2c8a5b8b70a9d1c045d969a71afd6284c
Mitigation
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-8jm9-2925-g4v2
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