CVE-2026-29775

HIGHNVD 8.28.2—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.2 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 76% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Elevated
8.2EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.2Exploit: Elevated riskExposed: 0

A fix is available — apply it.

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, a client-side heap out-of-bounds read/write occurs in FreeRDP's bitmap cache subsystem due to an off-by-one boundary check in bitmap_cache_put. A malicious server can send a CACHE_BITMAP_ORDER (Rev1) with cacheId equal to maxCells, bypassing the guard and accessing cells[] one element past the allocated array. This vulnerability is fixed in 3.24.0.

CVSS v3
8.2
EG Score
8.2(medium)
EG Risk
68(Attend)
EG Risk 68/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity82% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
23%
KEV
Not listed

Published

March 13, 2026

Last Modified

June 17, 2026

Advisory Details (2)

Auto-updated Aug 2, 2026
🔬 Proof of concept available. Patch available. Sources: github_commit, github.
github Patch Available🟡 PoC Available

Heap-buffer-overflow in bitmap_cache_put via OOB cacheId · Advisory · FreeRDP/FreeRDP · GitHub

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-h666-rfw3-jhvj
github_commit

commit ffad58fd2b32 (FreeRDP/FreeRDP)

Fix landed in FreeRDP/FreeRDP commit ffad58fd2b32 — awaiting tagged release

https://github.com/FreeRDP/FreeRDP/commit/ffad58fd2b329efd81a3239e9d7e3c927b8e503f

Vendor Advisories for CVE-2026-29775(14)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(14)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatfreerdp-2:3.10.3-3.el10_0.72026-05-26redhat
redhatfreerdp-0:2.1.1-5.el7_9.92026-05-26redhat
redhatfreerdp-2:2.2.0-14.el8_42026-05-20redhat
redhatfreerdp-2:3.10.3-12.el10_2.52026-05-19redhat
redhatfreerdp-2:2.11.7-7.el9_8.32026-05-19redhat
redhatfreerdp-2:2.11.2-1.el9_4.82026-05-13redhat
redhatfreerdp-2:2.11.7-1.el9_6.102026-05-13redhat
redhatfreerdp-2:2.2.0-7.el8_6.82026-05-13redhat
redhatfreerdp-2:2.2.0-12.el8_8.82026-05-13redhat
redhatfreerdp-2:2.11.7-1.el9_7.72026-05-13redhat
redhatfreerdp-2:2.4.1-3.el9_0.72026-05-12redhat
redhatfreerdp-2:2.4.1-6.el9_2.92026-05-12redhat
redhatfreerdp-2:3.10.3-5.el10_1.82026-05-11redhat
redhatfreerdp-2:2.11.7-9.el8_102026-05-11redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
freerdp22.10.0+dfsg1-1 ... 2.9.0+dfsg1-1~bpo11+1 (32 versions)——
Debian:12(1)
PackageVulnerable rangeFixed inDependents
freerdp22.10.0+dfsg1-1 ... 2.11.7+dfsg1-6~deb12u1 (13 versions)——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
freerdp33.15.0+dfsg-2.1, 3.15.0+dfsg-2.1+deb13u13.15.0+dfsg-2.1+deb13u2—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
freerdp33.15.0+dfsg-2.1 ... 3.23.0+dfsg-1~bpo13+1 (21 versions)3.24.0+dfsg-1—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(1)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 5× in last 7d / 31× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-09-13 16:47 UTCEPSS rescore
  2. 2026-09-12 15:01 UTCEPSS rescore
  3. 2026-09-11 14:52 UTCEPSS rescore
  4. 2026-09-10 09:34 UTCEPSS rescore
  5. 2026-09-08 22:00 UTCEPSS rescore
  6. 2026-09-07 16:01 UTCEPSS rescore
  7. 2026-09-06 13:47 UTCEPSS rescore
  8. 2026-09-06 13:47 UTCEPSS rescore
  9. 2026-09-04 05:06 UTCEPSS rescore
  10. 2026-09-02 19:10 UTCOSV refresh
  11. 2026-09-02 14:11 UTCEPSS rescore
  12. 2026-09-01 13:53 UTCEPSS rescore
  13. 2026-09-01 04:39 UTCEPSS rescore
  14. 2026-09-01 04:39 UTCEPSS rescore
  15. 2026-08-30 19:17 UTCEPSS rescore
  16. 2026-08-30 01:22 UTCEPSS rescore
  17. 2026-08-28 21:41 UTCEPSS rescore
  18. 2026-08-27 14:25 UTCEPSS rescore
  19. 2026-08-26 14:46 UTCEPSS rescore
  20. 2026-08-25 13:49 UTCEPSS rescore
  21. 2026-08-24 14:17 UTCEPSS rescore
  22. 2026-08-23 00:19 UTCEPSS rescore
  23. 2026-08-21 23:49 UTCEPSS rescore
  24. 2026-08-20 22:55 UTCEPSS rescore
  25. 2026-08-20 22:55 UTCEPSS rescore
Show 51 more
  1. 2026-08-19 17:03 UTCEPSS rescore
  2. 2026-08-18 13:48 UTCEPSS rescore
  3. 2026-08-17 13:47 UTCEPSS rescore
  4. 2026-08-16 14:56 UTCEPSS rescore
  5. 2026-08-16 11:41 UTCEG score recompute
  6. 2026-08-16 11:41 UTCVendor advisory
  7. 2026-08-16 02:14 UTCEPSS rescore
  8. 2026-08-15 01:30 UTCEPSS rescore
  9. 2026-08-14 20:14 UTCVendor advisory
  10. 2026-08-14 07:42 UTCEG score recompute
  11. 2026-08-14 07:42 UTCVendor advisory
  12. 2026-08-13 22:00 UTCEPSS rescore
  13. 2026-08-12 22:42 UTCEG score recompute
  14. 2026-08-12 22:42 UTCVendor advisory
  15. 2026-08-12 13:50 UTCEPSS rescore
  16. 2026-08-11 21:42 UTCEG score recompute
  17. 2026-08-11 21:42 UTCVendor advisory
  18. 2026-08-11 13:42 UTCEPSS rescore
  19. 2026-08-11 04:50 UTCEG score recompute
  20. 2026-08-11 04:50 UTCVendor advisory
  21. 2026-08-11 00:00 UTCEPSS rescore
  22. 2026-08-10 08:27 UTCVendor advisory
  23. 2026-08-09 19:54 UTCEG score recompute
  24. 2026-08-09 19:54 UTCVendor advisory
  25. 2026-08-09 13:46 UTCEPSS rescore
  26. 2026-08-09 07:22 UTCEG score recompute
  27. 2026-08-09 07:22 UTCVendor advisory
  28. 2026-08-08 16:37 UTCEPSS rescore
  29. 2026-08-08 06:36 UTCVendor advisory
  30. 2026-08-07 18:03 UTCEG score recompute
  31. 2026-08-07 18:03 UTCVendor advisory
  32. 2026-08-06 19:48 UTCEG score recompute
  33. 2026-08-06 19:48 UTCVendor advisory
  34. 2026-08-06 13:46 UTCEPSS rescore
  35. 2026-08-06 01:55 UTCEG score recompute
  36. 2026-08-06 01:55 UTCVendor advisory
  37. 2026-08-05 19:17 UTCEPSS rescore
  38. 2026-08-04 15:10 UTCEPSS rescore
  39. 2026-08-04 01:11 UTCEG score recompute
  40. 2026-08-04 01:11 UTCVendor advisory
  41. 2026-08-03 10:36 UTCEPSS rescore
  42. 2026-08-02 17:19 UTCEG score recompute▲ 2.90
  43. 2026-08-02 17:19 UTCVendor advisory
  44. 2026-08-02 02:26 UTCEPSS rescore
  45. 2026-08-01 04:16 UTCEPSS rescore
  46. 2026-07-30 16:27 UTCEPSS rescore
  47. 2026-07-30 01:30 UTCEPSS rescore
  48. 2026-07-28 15:36 UTCEPSS rescore
  49. 2026-07-27 12:52 UTCEG score recompute
  50. 2026-07-27 12:52 UTCVendor advisory
  51. 2026-07-27 12:50 UTCOSV refresh

Frequently asked(5)

What is CVE-2026-29775?
CVE-2026-29775 is a high vulnerability published on March 13, 2026. FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, a client-side heap out-of-bounds read/write occurs in FreeRDP's bitmap cache subsystem due to an off-by-one boundary check in bitmapcacheput. A malicious server can send a CACHEBITMAPORDER (Rev1) with cacheId equal to…
When was CVE-2026-29775 disclosed?
CVE-2026-29775 was first published in the National Vulnerability Database on March 13, 2026, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-29775 actively exploited?
CVE-2026-29775 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 76.5% of all scored CVEs.
What is the CVSS score of CVE-2026-29775?
CVE-2026-29775 has a CVSS v3 base score of 8.2 (NVD).
How do I remediate CVE-2026-29775?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-29775, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-29775

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