CVE-2026-26951 | Dell PowerProtect Data Domain up to 7.13.1.60/8.3.1.20/8.6 stack-based overflow (dsa-2026-060)

VDB-358340 · CVE-2026-26951 · DSA-2026-060 DELL POWERPROTECT DATA DOMAIN UP TO 7.13.1.60/8.3.1.20/8.6 STACK-BASED OVERFLOW HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 6.7 $5k-$25k 5.10 Summaryinfo A vulnerability labeled as critical has been found in Dell PowerProtect Data Domain up to 7.13.1.60/8.3.1.20/8.6. This issue affects some unknown processing. Such manipulation leads to stack-based overflow. This vulnerability is referenced as CVE-2026-26951. The attack can only be performed from a local environment. No exploit is available. Detailsinfo A vulnerability was found in Dell PowerProtect Data Domain up to 7.13.1.60/8.3.1.20/8.6 and classified as critical. Affected by this issue is an unknown part. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability. CVE summarizes: Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.6, LTS2025 release version 8.3.1.0 through 8.3.1.20, LTS2024 release versions 7.13.1.0 through 7.13.1.60 contain a stack-based buffer overflow vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to arbitrary command execution with root privileges. The advisory is shared for download at dell.com. This vulnerability is handled as CVE-2026-26951 since 02/16/2026. The exploitation is known to be easy. The attack needs to be approached locally. The exploitation requires an enhanced level of successful authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 04/20/2026). There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-23914). Productinfo Vendor Dell Name PowerProtect Data Domain Version 7.13.1.0 7.13.1.1 7.13.1.2 7.13.1.3 7.13.1.4 7.13.1.5 7.13.1.6 7.13.1.7 7.13.1.8 7.13.1.9 7.13.1.10 7.13.1.11 7.13.1.12 7.13.1.13 7.13.1.14 7.13.1.15 7.13.1.16 7.13.1.17 7.13.1.18 7.13.1.19 7.13.1.20 7.13.1.21 7.13.1.22 7.13.1.23 7.13.1.24 7.13.1.25 7.13.1.26 7.13.1.27 7.13.1.28 7.13.1.29 7.13.1.30 7.13.1.31 7.13.1.32 7.13.1.33 7.13.1.34 7.13.1.35 7.13.1.36 7.13.1.37 7.13.1.38 7.13.1.39 7.13.1.40 7.13.1.41 7.13.1.42 7.13.1.43 7.13.1.44 7.13.1.45 7.13.1.46 7.13.1.47 7.13.1.48 7.13.1.49 7.13.1.50 7.13.1.51 7.13.1.52 7.13.1.53 7.13.1.54 7.13.1.55 7.13.1.56 7.13.1.57 7.13.1.58 7.13.1.59 7.13.1.60 8.0 8.1 8.2 8.3 8.3.1.0 8.3.1.1 8.3.1.2 8.3.1.3 8.3.1.4 8.3.1.5 8.3.1.6 8.3.1.7 8.3.1.8 8.3.1.9 8.3.1.10 8.3.1.11 8.3.1.12 8.3.1.13 8.3.1.14 8.3.1.15 8.3.1.16 8.3.1.17 8.3.1.18 8.3.1.19 8.3.1.20 8.4 8.5 8.6 License commercial Website Vendor: https://www.dell.com/ CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 6.7 VulDB Meta Temp Score: 6.7 VulDB Base Score: 6.7 VulDB Temp Score: 6.7 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 6.7 CNA Vector (dell): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Stack-based overflow CWE: CWE-121 / CWE-119 CAPEC: 🔒 ATT&CK: 🔒 Physical: Partially Local: Yes Remote: No Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 02/16/2026 CVE reserved 04/20/2026 +62 days Advisory disclosed 04/20/2026 +0 days VulDB entry created 04/20/2026 +0 days VulDB entry last update Sourcesinfo Vendor: dell.com Advisory: dsa-2026-060 Status: Confirmed CVE: CVE-2026-26951 (🔒) GCVE (CVE): GCVE-0-2026-26951 GCVE (VulDB): GCVE-100-358340 EUVD: 🔒 Entryinfo Created: 04/20/2026 19:59 Updated: 04/20/2026 21:57 Changes: 04/20/2026 19:59 (62), 04/20/2026 21:57 (1) Complete: 🔍 Cache ID: 99:C7B:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸