Security readout for executives and security teams
Plain-English summary
CVE-2023-35312 is a Windows privilege escalation flaw in VOLSNAP.SYS, the volume snapshot driver. An attacker who already has low-privileged local access could potentially gain high-impact control over confidentiality, integrity, and availability on affected Windows systems.
Executive priority
Treat as high priority in normal Windows patch cycles, especially where attackers could already gain local user access. It is a post-compromise escalation risk, not a standalone internet-facing emergency based on provided evidence.
Technical view
Microsoft rates this as CVSS 7.8 high: local attack vector, low complexity, low privileges required, no user interaction. The supplied data maps it to CWE-190 integer overflow and lists many Windows client and server versions as affected.
Likely exposure
Exposure is likely on affected Windows 10, Windows 11, and Windows Server builds that have not received Microsoft’s official security update for this CVE.
Exploitation context
The provided sources do not show KEV listing or active exploitation. This is not remotely reachable by itself; it matters most after initial local access, malware execution, or compromised user credentials.
Researcher notes
Key unknowns remain: the source bundle does not provide root-cause details beyond CWE-190, proof-of-concept status, or exploitation telemetry. Avoid assuming exploitability beyond Microsoft’s CVSS and advisory data.
Mitigation direction
- Review Microsoft’s MSRC entry for applicable updates by Windows version.
- Apply the official Microsoft security update to affected Windows builds.
- Prioritize servers, shared workstations, and systems with many local users.
- Limit local logon rights and unnecessary low-privileged accounts.
- Monitor vendor guidance for revised affected-product or update details.
Validation and detection
- Inventory Windows versions against the affected product list.
- Confirm installed cumulative updates match Microsoft’s guidance for CVE-2023-35312.
- Use vulnerability management tooling to verify remediation state.
- Check high-risk systems first, including servers and multi-user endpoints.
- Document exceptions where systems cannot be updated promptly.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-190: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2023-35312 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C1.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Source materials
- CVE List V5 sourceCVE List V5
- Microsoft VOLSNAP.SYS Elevation of Privilege VulnerabilityCVE reference · vendor-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Integer Overflow or Wraparound
Integer Overflow or Wraparound represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.