Is CVE-2026-33986 actively exploited?

No active exploitation of CVE-2026-33986 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-33986 be exploited remotely?

Yes. CVE-2026-33986 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-33986?

CVE-2026-33986 has a CVSS score of 7.5 (HIGH).

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HIGH

CVE-2026-33986

CWE-122Published: March 30, 2026· Updated: Apr 1, 2026

7.5

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:11.8th

Official Description

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, in yuv_ensure_buffer() in libfreerdp/codec/h264.c, h264->width and h264->height are updated before the reallocation loop. If any winpr_aligned_recalloc() call fails, the function returns FALSE but width/height are already inflated. This issue has been patched in version 3.24.2.

NVD Source

Technical Analysis

CVE-2026-33986 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.5.