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Back to active CVEs
High · CVSS 8.3CVE-2026-111880

FreeRDP 2.0.0 before 3.32.0 Heap Out-of-Bounds Write via NTLM MIC OffsetCVE-2026-111880

Answer in brief

CVE-2026-111880 records a High severity (CVSS 8.3) vulnerability in FreeRDP 2.0.0 before 3.32.0 Heap Out-of-Bounds Write via NTLM MIC Offset. The current sources do not mark it as known exploited. The current feed maps FreeRDP/FreeRDP (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 17, 2026Updated Oct 17, 2026Source checked Oct 17, 2026First seen by HOL Oct 17, 2026Material review Oct 17, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.3
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 8.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps FreeRDP/FreeRDP (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
FreeRDP/FreeRDPgeneric>=2.0.0 <3.32.03.32.0

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for FreeRDP/FreeRDP.
  2. 2Review the reported fix. Update FreeRDP/FreeRDP to 3.32.0 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 17, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 17, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 17, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • Source referencevulncheck.com
Upstream source description

FreeRDP versions from 2.0.0 before 3.32.0 contain a heap out-of-bounds write in the server hash-callback NTLM path that fails to validate the MIC offset. Unauthenticated attackers can send a crafted AUTHENTICATE_MESSAGE with a backward session-key offset and MIC offset to write 16 zero bytes beyond the allocation.

Quoted source text, attributed separately from HOL analysis.

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  • phpMyFAQ 4.2.0-alpha.2 before 4.2.0-beta 2FA Brute-Force via remove-twofactor EndpointSame generic ecosystem
  • phpMyFAQ before 4.1.9 and 4.2.0-alpha before 4.2.0-beta Account Enumeration via Guest Comment EndpointSame generic ecosystem

Record context

Vulnerability class
Memory Corruption
EPSS
Not reported
CWE IDs
CWE-787
Source
CVE List V5
Source checked
Oct 17, 2026
References
2 linked sources
Open source record