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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-33987

23
FAUCET Score

CVE-2026-33987 is a heap out-of-bounds write vulnerability affecting FreeRDP versions prior to 3.24.2, stemming from an issue in the persistent cache function where `bmpSize` can be inflated while `bmpData` points to an old buffer if memory reallocation fails. This Medium severity vulnerability (CVSS 6.6) requires local access, low privileges, and user interaction, with potential high impacts on system integrity and availability. Currently, there is no evidence of active exploitation, no public exploit code, and minimal community discussion regarding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.24.2CPE matchmatch criteria
cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.1HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.10%
Probability of exploitation in next 30 days
EPSS Percentile
1.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0010 is in the 5th percentile among its peer group of 382 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

github_advisorypatch availablevia nvd_reference
View patch
ubuntupatch availablevia ubuntu_usn
Product: freerdp3 (noble)Fixed in: 3.30.0+dfsg-0ubuntu0.24.04.1
ubuntupatch availablevia ubuntu_usn
Product: freerdp3 (resolute)Fixed in: 3.30.0+dfsg-0ubuntu0.26.04.1

Vendor Advisories (1)

ubuntuUSN-8561-1

FreeRDP vulnerabilities

Jul 20, 2026

References

github.com / FreeRDP/FreeRDP/commit/1a890eb43492b5eb707cb3dd6fc908f696e8fc1c
Patch
github.com / FreeRDP/FreeRDP/security/advisories/GHSA-ff8h-p5vc-wcwc
PatchVendor Advisory