CVE-2026-18772 Vulnerability Analysis & Exploit Details

CVE-2026-18772
Vulnerability Scoring

6.5
/10
High Risk

If left unpatched, CVE-2026-18772 could lead to major system disruptions or data loss.

Attack Complexity Details

  • Attack Complexity: Low
    Exploits can be performed without significant complexity or special conditions.
  • Attack Vector: Network
    Vulnerability is exploitable over a network without physical access.
  • Privileges Required: None
    No privileges are required for exploitation.
  • Scope: Unchanged
    Exploit remains within the originally vulnerable component.
  • User Interaction: Required
    User interaction is necessary for successful exploitation.

CVE-2026-18772 Details

Status: Awaiting Analysis

Last updated: 🕒 18 Aug 2026, 15:04 UTC
Originally published on: 🕙 04 Aug 2026, 10:19 UTC

Time between publication and last update: 14 days

CVSS Release: version 3

CVSS3 Source

PSIRT@samsung.com

CVSS3 Type

Secondary

CVSS3 Vector

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

CVE-2026-18772 Vulnerability Summary

CVE-2026-18772: Improperly controlled sequential memory allocation vulnerability in Samsung Open Source rlottie allows Exponential Data Expansion.

Assessing the Risk of CVE-2026-18772

Access Complexity Graph

The exploitability of CVE-2026-18772 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2026-18772

With low attack complexity and no required privileges, CVE-2026-18772 is an easy target for cybercriminals. Organizations should prioritize immediate mitigation measures to prevent unauthorized access and data breaches.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2026-18772, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2026-18772, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: None
    CVE-2026-18772 has no significant impact on data confidentiality.
  • Integrity: None
    CVE-2026-18772 poses no threat to data integrity.
  • Availability: High
    CVE-2026-18772 can disrupt system operations, potentially causing complete denial of service (DoS).

CVE-2026-18772 References

External References

CWE Common Weakness Enumeration

CWE-1325

CAPEC Common Attack Pattern Enumeration and Classification

  • Excessive Allocation CAPEC-130 An adversary causes the target to allocate excessive resources to servicing the attackers' request, thereby reducing the resources available for legitimate services and degrading or denying services. Usually, this attack focuses on memory allocation, but any finite resource on the target could be the attacked, including bandwidth, processing cycles, or other resources. This attack does not attempt to force this allocation through a large number of requests (that would be Resource Depletion through Flooding) but instead uses one or a small number of requests that are carefully formatted to force the target to allocate excessive resources to service this request(s). Often this attack takes advantage of a bug in the target to cause the target to allocate resources vastly beyond what would be needed for a normal request.

Protect Your Infrastructure against CVE-2026-18772: Combat Critical CVE Threats

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