Security readout for executives and security teams
Plain-English summary
CVE-2023-35323 is a Windows OLE remote code execution issue. The provided scoring rates it high because successful exploitation could let an attacker run code and affect confidentiality, integrity, and availability, but it requires user interaction on an affected Windows system.
Executive priority
Treat this as a normal high-priority Microsoft patching item. It has serious impact if exploited, but the provided sources do not show active exploitation or KEV listing.
Technical view
The bundle identifies a CWE-416 use-after-free in Windows OLE with CVSS 3.1 score 7.8. Vector details are AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H, meaning low complexity, no privileges, user interaction required, unchanged scope, and high impact.
Likely exposure
Exposure is limited by the provided affected list: Windows Server 2022 version 10.0.20348.0 and Windows 11 version 21H2 version 10.0.0. Actual risk depends on whether those systems remain unpatched against Microsoft’s advisory.
Exploitation context
The source bundle marks KEV as false and CVSS exploit maturity as unproven. No provided source supports active exploitation. Based on AV:L and UI:R, this should be treated as a user-assisted code execution risk, not a network-wormable flaw.
Researcher notes
Key constraints are user interaction and local attack vector despite the RCE title. The bundle does not include exploit details, attack preconditions beyond CVSS, or product coverage beyond the listed Microsoft versions.
Mitigation direction
- Apply Microsoft’s official update for CVE-2023-35323 through normal Windows patch management.
- Prioritize affected Windows Server 2022 and Windows 11 21H2 assets.
- Check Microsoft’s advisory for any supersedence, servicing, or deployment notes.
- Use endpoint controls to reduce risky document or object handling until patched.
Validation and detection
- Inventory Windows Server 2022 and Windows 11 21H2 systems.
- Confirm each affected asset has the relevant Microsoft security update installed.
- Review vulnerability scanner results against CVE-2023-35323.
- Check whether exposure assumptions match the MSRC affected-products table.
Public sources used
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-416: 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 lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2023-35323 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:N/UI:R/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:N/UI:R/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:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Source materials
- CVE List V5 sourceCVE List V5
- Windows OLE Remote Code Execution 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.
Use After Free
Use After Free represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.