CVE-2026-35535 | sudo up to 1.9.17p2 setuid/setgid/setgroups privilege dropping

VDB-355060 · CVE-2026-35535 · GCVE-0-2026-35535 SUDO UP TO 1.9.17P2 SETUID/SETGID/SETGROUPS PRIVILEGE DROPPING HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 7.1 $0-$5k 1.28 Summaryinfo A vulnerability was found in sudo up to 1.9.17p2. It has been declared as critical. This affects an unknown part of the component setuid/setgid/setgroups. Executing a manipulation can lead to privilege dropping. This vulnerability is registered as CVE-2026-35535. The attack needs to be launched locally. No exploit is available. It is advisable to implement a patch to correct this issue. Detailsinfo A vulnerability classified as critical was found in sudo up to 1.9.17p2. This vulnerability affects some unknown processing of the component setuid/setgid/setgroups. The manipulation with an unknown input leads to a privilege dropping vulnerability. The CWE definition for the vulnerability is CWE-271. The product does not drop privileges before passing control of a resource to an actor that does not have those privileges. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes: In Sudo through 1.9.17p2 before 3e474c2, a failure of a setuid, setgid, or setgroups call, during a privilege drop before running the mailer, is not a fatal error and can lead to privilege escalation. The advisory is shared for download at github.com. This vulnerability was named CVE-2026-35535 since 04/03/2026. The exploitation appears to be difficult. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 04/03/2026). The MITRE ATT&CK project declares the attack technique as T1068. Applying the patch 3e474c2f201484be83d994ae10a4e20e8c81bb69 is able to eliminate this problem. The bugfix is ready for download at github.com. Productinfo Type Operating System Utility Software Name sudo Version 1.9.17p2 License open-source CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 7.2 VulDB Meta Temp Score: 7.1 VulDB Base Score: 7.0 VulDB Temp Score: 6.7 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 7.4 CNA Vector (MITRE): 🔒 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: Privilege dropping CWE: CWE-271 / CWE-270 / CWE-266 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: Patch Status: 🔍 0-Day Time: 🔒 Patch: 3e474c2f201484be83d994ae10a4e20e8c81bb69 Timelineinfo 04/03/2026 Advisory disclosed 04/03/2026 +0 days CVE reserved 04/03/2026 +0 days VulDB entry created 04/03/2026 +0 days VulDB entry last update Sourcesinfo Advisory: 3e474c2f201484be83d994ae10a4e20e8c81bb69 Status: Confirmed CVE: CVE-2026-35535 (🔒) GCVE (CVE): GCVE-0-2026-35535 GCVE (VulDB): GCVE-100-355060 Entryinfo Created: 04/03/2026 07:47 Changes: 04/03/2026 07:47 (65) Complete: 🔍 Cache ID: 99:192:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸