Security readout for executives and security teams
Plain-English summary
CVE-2021-1696 is a Microsoft Windows Graphics Component information disclosure issue. It can expose sensitive information, but the provided scoring indicates an attacker needs local access and user interaction. It is not listed as known exploited in CISA KEV in the provided data.
Executive priority
Treat as routine patch management, not an emergency. Prioritize remediation on legacy or internet-adjacent Windows assets, but the provided evidence does not indicate active exploitation or system takeover risk.
Technical view
The CVSS 3.1 vector is AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N, scoring 5.5. The impact is confidentiality only, with no stated integrity or availability impact. Microsoft lists multiple Windows client and server versions as affected and the remediation level indicates an official fix exists.
Likely exposure
Exposure is most likely on unpatched affected Windows desktops or servers, including listed Windows 10, Windows 7, Windows 8.1, and Windows Server releases from 2008 through 2019/20H2.
Exploitation context
The provided data does not support active exploitation. Exploitation is rated local, low complexity, no privileges required, and requires user interaction. No exploit mechanics are provided in the source bundle.
Researcher notes
The source data identifies only an information disclosure condition in Windows Graphics Component. It does not include root-cause detail, proof-of-concept status, or exploit primitives. Avoid assuming remote exploitation or privilege escalation from this record alone.
Mitigation direction
- Apply the Microsoft security update referenced by the MSRC advisory.
- Prioritize affected Windows endpoints and servers that remain unpatched.
- Check MSRC guidance for the exact update package per Windows version.
- Retire or isolate affected systems that cannot receive vendor updates.
Validation and detection
- Inventory Windows versions against the affected product list.
- Confirm relevant Microsoft security updates are installed on affected systems.
- Check vulnerability scanners for CVE-2021-1696 detection status.
- Review exception lists for legacy Windows systems still in operation.
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.
CVE-2021-1696 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
- Medium
- CVSS
- 5.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/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:N/A:N/E:U/RL:O/RC:C1.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
Source materials
- CVE List V5 sourceCVE List V5
- Windows Graphics Component Information Disclosure VulnerabilityCVE reference · vendor-advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1696CVE reference · x_refsource_MISC, x_transferred
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.
