Security readout for executives and security teams
Plain-English summary
This is a Windows Print Spooler privilege-escalation flaw. An attacker who already has low-level local access could potentially gain high-impact control over confidentiality, integrity, and availability on affected Windows systems. It is not listed as KEV in the provided bundle.
Executive priority
Prioritize remediation in normal high-severity patch cycles, with faster handling for servers or multi-user systems. The business concern is privilege escalation after initial access, not confirmed active exploitation in this bundle.
Technical view
CVE-2021-1695 has CVSS 3.1 score 7.8 with AV:L/AC:L/PR:L/UI:N and high C/I/A impact. The affected set spans multiple Windows client and server releases. The bundle identifies Microsoft as vendor and points to MSRC guidance, with remediation level marked official fix available.
Likely exposure
Exposure is most likely on unpatched affected Windows workstations and servers listed by Microsoft. The CVSS vector indicates local access with low privileges is required; the provided evidence does not support remote unauthenticated exploitation.
Exploitation context
The source bundle does not show active exploitation and marks KEV as false. CVSS exploit code maturity is listed as unproven. Treat this as a serious post-compromise escalation risk rather than confirmed internet-scale exploitation.
Researcher notes
Key constraints are local attack vector, low privileges required, no user interaction, unchanged scope, and high impact. The bundle does not include CWE detail, root cause, exploit technique, or standalone mitigation beyond Microsoft guidance.
Mitigation direction
- Apply the applicable Microsoft security update for each affected Windows version.
- Use MSRC guidance to confirm exact update applicability and servicing status.
- Prioritize servers and shared workstations where low-privileged access is common.
- For unsupported systems, confirm extended support coverage or plan upgrade/replacement.
Validation and detection
- Inventory Windows versions against the affected product list in the bundle.
- Confirm January 2021 or later applicable Microsoft fixes are installed.
- Check vulnerability scanner results against CVE-2021-1695 on Windows assets.
- Verify high-risk servers are covered by current Microsoft servicing channels.
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.
Privilege 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-2021-1695 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
- Windows Print Spooler Elevation of Privilege VulnerabilityCVE reference · vendor-advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1695CVE 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.