7.6

CVE-2021-26419: microsoft internet_explorer Out-of-bounds Write

CVSS: 7.6v2.0HighModified
Published 11-05-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-26419 is a high (CVSS 7.6) Out-of-bounds Write vulnerability in microsoft internet_explorer. EPSS estimates a 22.77% chance of exploitation in the next 30 days, higher than 97.7% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
45/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.6/10
010
High · v2.0 (NVD)
EPSS score
22.77%
0%100%
High · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 11-05-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

Scripting Engine Memory Corruption Vulnerability

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

22.77%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

0.00 pp

From 22.77% on 19-09-2026

19-09-202619-10-2026
EPSS score
22.77%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (packetstormsecurity.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Microsoft3 products
  • internet_explorerEOL11 | 9
  • internet explorer 11≥ 1.0.0, < 10.0.14393.4401 | ≥ 1.0.0, < 10.0.17134.2207 | ≥ 1.0.0, < 10.0.17763.1935 | ≥ 1.0.0, < 10.0.18363.1556 | ≥ 1.0.0, < 10.0.19041.982 | ≥ 1.0.0, < 10.0.10240.18931 | ≥ 1.0.0, < 6.1.7601.24597 | ≥ 1.0.0, < 6.1 | ≥ 1.0.0, < 6.3.9600.20017 | ≥ 1.0.0, < 6.3.9600.20016 | ≥ 1.0.0, < 6.2.9200.23347 | ≥ 1.0.0, < 6.2
  • internet explorer 9≥ 1.0.0, < 6.0.6003.21117 | ≥ 1.0.0, < 6.0

1 vendor · 3 products

References

2 links